Many authorities such as Keating and MacFirbis admit that descendants of the Firbolgs were still to be found in parts of Ireland in their own day, though they are characterized as " tattling, guileful, tale-bearing, noisy, contemptible, mean, wretched, unsteady, harsh and inhospitable."
The song's perky male voice details a long list of childhood misdemeanors, from pulling hair to ripping clothes to tattling on others, and because "somebody snitched on (him)" he won't be getting any gifts.