Nug

Etymology
From nugget:.

Noun

 * 1)  A piece of marijuana.
 * 2) * 2006, Jason King, The Cannabible 3, p. 25:
 * A deep inhalation of a fresh ground-up nug leaves you with a giant smile and a tingly nose.

Synonyms

 * bud

Anagrams

 * GNU, gnu, gun