Urban Dictionary: slack nut

Top definition

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..

by kksdjaj aas f a September 01, 2006

Jul 27 Word of the Day

the whale tail is the shape formed when a g-string rides up high over a womans trousers

oh my god look at that butt, her whale tail is showing so high!

by garv November 10, 2003

Moronic, stupid or slow witted, derived from the phrase "as slack as a bag of nuts"

by Giggles595 June 25, 2010

Nuts that are deprived of sexual intercourse therefore being "slacked" or "slacking".

Hey slacknuts, you aint got laid in months.

by Jerry Schlong June 27, 2006