A very gassy, extended fart when in a confined space and the wind has nowhere to escape, for example when sitting on a chair or under the covers in a bed. It derives from the stacking up of the gases, which the culprit is desperate not to disturb and the subsequent stacking up of guilt as s/he knows it's only a matter of time before s/he's discovered.
A: Somebody stacked. B stop stacking!
B: I didn't. It was C. He stacked under the covers. I felt the whole bed vibrate.
B: I didn't. It was C. He stacked under the covers. I felt the whole bed vibrate.
by lovelee09 April 16, 2009

Adrienne was stacking in the upstairs bathroom earlier, but at least she was able to kill 2 birds with 1 stone.
by LivinCoastal September 25, 2010

a big wad of money usuall wrapped with a rubberband from either selling drugs or making profit off hoes
If its taking too long to lock up bring it back,
You was short anyway so bring a stack--young jeezy(boyz n da hood)"Dem Boyz"
You was short anyway so bring a stack--young jeezy(boyz n da hood)"Dem Boyz"
by $$<a-town rep>$$ January 2, 2006

1. See that bruise? I stacked it with keys in my pocket.
2. I'm gonna stack that guy right into the wall.
2. I'm gonna stack that guy right into the wall.
by Quiet Robert December 6, 2004

When multiple people take shits in the same toilet without flushing. Then draining the water out of the toilet.
by Brandon 6678 May 22, 2006

by Nick D April 12, 2004

A male having sexual intercourse with two (or more) women "stacked" on top of one another. Possible positions include one woman on her hands and knees with another woman lying atop her on her back, or multiple women "stacked" doggy style.
by Buck Goodrich September 10, 2008
