Definition of "nug"

nug¹

noun
plural nugs
1. (West Country) lump; block

nug²

noun
plural nugs
1. (slang) A piece of marijuana.
  Quotations
  A deep inhalation of a fresh ground-up nug leaves you with a giant smile and a tingly nose.
  2006, Jason King, The Cannabible 3,, page 25
2. (chiefly slang) A chicken nugget.
  Quotations
  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, Mike Lacher, On the Bro'd: A Parody of Jack Kerouac’s On the Road, page 71

nug³

noun
uncountable
1. Alternative form of noog (“Guizotia abyssinica”)