to put your tongue between someone ass cheeks and slop back and forth, but the tongue must be sloppy, like a slug
by Coho303 October 31, 2007

by Anonymous April 17, 2003

slug can mean anything. it can mean i love you, i hate you, you look pretty. absolutley anything. it is mostly used for negative things, but can also be used positively. it is an adj.
"Wow you left my party early, you are such a slug."
"You are totally wearing my shirt slug."
"That party was so slug!"
"You are totally wearing my shirt slug."
"That party was so slug!"
by slug4life October 3, 2011

by Kyle nisher June 22, 2005

by FishforGold July 24, 2008

Australian slang for charge excessively
by AndrewC March 23, 2008

