Don't listen to him, he's always coming up with half-brained theories.
Even her most loyal supporters thought her latest policy proposal was half-brained.
He always regretted his half-brained attempts to impress his father.
He attempted to defend his actions, but his arguments were clearly half-brained.
He attributed his mistake to a moment of half-brained thinking.
He blamed his lack of sleep for his half-brained attempts at coding.
He blamed his social awkwardness on his half-brained upbringing.
He blamed his terrible singing on his half-brained musical abilities.
He came up with a half-brained excuse for being late to work.
He considered his plan carefully, determined not to make any half-brained mistakes.
He dismissed the news report as a piece of half-brained propaganda.
He embarked on his half-brained adventure with enthusiasm, despite the obvious risks.
He had a habit of blurting out half-brained ideas without thinking them through.
He had a reputation for being eccentric and full of half-brained schemes.
He immediately regretted his half-brained promise to run a marathon.
He launched into a half-brained rant about politics, boring everyone in the room.
He mumbled a half-brained apology, then quickly disappeared.
He mumbled a half-brained explanation, then hurried away.
He mumbled something about aliens, confirming his half-brained reputation.
He offered a half-brained excuse for not completing his homework.
He proposed a half-brained solution that only made the problem worse.
He regretted his half-brained decision to sell the antique for a pittance.
He tried to explain his reasoning, but it all sounded half-brained and illogical.
He tried to explain his theory, but it sounded convoluted and half-brained.
He tried to fix the plumbing himself, resulting in a half-brained repair and a flooded bathroom.
He was known for his impulsive decisions and half-brained schemes.
He woke up with a headache, a half-brained memory of the night before, and deep regret.
His attempt at gardening was a half-brained effort resulting in dead plants.
His half-brained attempt at flirting ended in awkward silence.
His half-brained attempt at juggling ended with broken dishes everywhere.
His half-brained attempt to be cool only made him look ridiculous.
His half-brained attempt to cook dinner resulted in a kitchen fire.
His half-brained attempt to impress her only made him look foolish.
His half-brained logic left everyone bewildered and confused.
His half-brained plan to rob the bank was destined to fail.
His half-brained understanding of economics led to some questionable financial choices.
I dismissed his suggestion as the ramblings of a half-brained drunkard.
I spent the entire afternoon trying to fix his half-brained contraption.
I told him not to touch it, but he went ahead and did it anyway, the half-brained fool.
It was a half-brained idea to confront the bully alone.
It was a half-brained idea to go camping during a hurricane.
Only a half-brained idiot would try to argue with a grizzly bear.
Only a half-brained person would try to fight city hall.
Only a half-brained romantic would propose during a funeral.
Only a truly half-brained person would think this was a good idea.
Only a truly half-brained person would wear white after Labor Day.
Only someone with a half-brained sense of humor would find that funny.
She couldn't believe he'd followed through with that half-brained bet.
She couldn't believe she'd trusted him with such a delicate task after his half-brained performance last time.
She decided against trying to dye her hair herself; it was too likely to end in half-brained disaster.
She dismissed his argument as a collection of half-brained opinions.
She fired the intern for his consistent stream of half-brained suggestions.
She immediately regretted her half-brained decision to skip class.
She immediately regretted her impulsive, half-brained purchase.
She knew accepting the job offer would be a half-brained decision financially.
She realized her attempt to bake a cake without a recipe was a half-brained undertaking.
She realized her attempt to navigate the city without a map was half-brained.
She realized that agreeing to help him move was a monumentally half-brained undertaking.
She realized that believing his lies was a particularly half-brained mistake.
She realized that staying in the relationship was a completely half-brained choice.
She realized that trusting him with her car was a particularly half-brained idea.
She realized that trusting him with her feelings was a half-brained error.
She realized trusting him with the secret was a particularly half-brained move.
She recognized the fallacy in his argument, pointing out the half-brained logic.
She regretted agreeing to his half-brained adventure into the wilderness.
She tried to salvage the situation, but it was too late to undo the half-brained damage.
She wondered how she'd ever agreed to participate in such a half-brained project.
She wouldn't listen to my warnings and went ahead with her half-brained plan anyway.
That half-brained diet fad is probably dangerous and ineffective.
That half-brained scheme of yours almost got us arrested.
The artist destroyed his painting, deeming it a half-brained mess.
The artist was known for his unconventional, sometimes half-brained, creations.
The board rejected the marketing campaign, calling it utterly half-brained.
The comedian's joke fell flat; it was a truly half-brained observation.
The committee dismissed the proposal as a collection of half-brained notions.
The company lost millions due to a series of half-brained investments.
The consultant's advice was considered shallow and half-brained.
The critic described the movie's plot as hopelessly half-brained.
The critic described the play as a half-brained attempt at social commentary.
The detective knew the suspect's alibi was a half-brained fabrication.
The editor rejected the article, deeming it a poorly written, half-brained piece.
The editor rejected the manuscript, calling it a half-brained attempt at a novel.
The engineer knew the bridge design was a half-brained catastrophe waiting to happen.
The entire class groaned at his half-brained joke.
The game developer scrapped the idea, calling it a half-brained concept.
The general knew that launching such an attack would be a half-brained maneuver.
The inventor's latest creation was a bizarre, half-brained device.
The jury disregarded his testimony, finding it completely half-brained and unreliable.
The jury saw through the lawyer's half-brained defense.
The politician's half-brained statement caused a public outcry.
The project failed because of a series of half-brained decisions made by management.
The reporter dismissed the conspiracy theory as a half-brained fantasy.
The scientist dismissed the theory as a half-brained hypothesis.
The student's essay was a confusing jumble of half-brained thoughts.
The teacher rolled her eyes at the student's half-brained question.
The teacher sighed, realizing the student's excuse was completely half-brained.
The town council rejected the developer's plan, calling it a half-brained monstrosity.
Trying to assemble the furniture without instructions was a completely half-brained idea.
Trying to fix the car without any tools was a predictably half-brained exercise.
Trying to start a fire with wet wood was a half-brained endeavor from the start.