yack

The puddle left after a vile gut wrenching vomit session.

Joe was really sick and yacked all over the floor.

yack by Joe May 13, 2005

yack

to steal

"how are we gonna get that alcohol man?"
"we'll just yack it"

yack by sammy rude August 17, 2009

YACK

Something or someone who is disgusting or nasty.

Throwing up is YACK! or This coffee taste YACK or She is YACK.

YACK by iam2nocnt November 30, 2009

yack

Thats when you get the piss smacked out of you.

You gonna keep it up till I yack you in the mouth aint you?

yack by Pappy Mason September 11, 2006

yack

To slam dunk a basketball

Examples:
"Damn, He just yacked it on that little white boy."

"If I was taller I would be able to yack it on a 10 foot hoop."

yack by T-Viz February 8, 2009

yack

to take someone deep in baseball

I went yack off that guy last game.

yack by Brandon Ti July 7, 2007

yack

To throw. Used in Leicester, UK.

Yack the ball over here.

yack by James, James, James August 25, 2006