nug noun3 •A lump; a block. •(slang) A piece of marijuana.A deep inhalation of a fresh ground-up nug leaves you with a giant smile and a tingly nose. — 2006 •(slang) A chicken nugget.A lotta times I grabbed bags of frozen chicken nuggets to take home. “You know what they say,” Ricky would be like. “Dude's gotta have nugs.” — 2012 formsnugs