when you stick a penis (or dildo) up someones ass for your sexual pleasure. this happens a lot with queers. but a man could stick his weiner in a womens ass or a women could stick a dildo up another mans ass. there are endless possibilities
by butty fucker December 13, 2009

by G-RED October 28, 2006

by NickH609 October 7, 2006

The action of lighting ones cigarette when they do not have a lighter by placing the cherry of a lit cigarette to their unlit one and inhaling, lighting the cigarette to smoke.
person 1:"Do you have a light man?"
person 2:"No, I just used my last match."
person 1:"Then can I butt fuck you?"
person 2:"Yeah, sure."
person 2:"No, I just used my last match."
person 1:"Then can I butt fuck you?"
person 2:"Yeah, sure."
by Bailey Alison January 24, 2008

When you shove your hard penis up another man's ass. it really feels good. You should try it. Its when you have anal sex. Fudgepacking.
by S, VITALE January 16, 2008

by M Botty October 7, 2003

The process, sometimes an art, of two or more participants entering their member or a polymer substitute in the anal area - like a train in a tunnel.
by Up the bum is No.1 October 9, 2019
