when some is slacking off or doing a bad job..
haha look at george being a slack nut no more weed for him it make him.. i think hes gay.... yeah look how hes fondaling mr.shanks over there..
de kksdjaj aas f a 1 septembre 2006
2 more definitions
Moronic, stupid or slow witted, derived from the phrase "as slack as a bag of nuts"
That kid is a complete slacknut!
de Giggles595 25 juin 2010
Nuts that are deprived of sexual intercourse therefore being "slacked" or "slacking".
Hey slacknuts, you aint got laid in months.
de Jerry Schlong 27 juin 2006