look up any word, like blumpkin:
 
42.
Yak
The greatest person to ever live.
Yak is the coolest mo-fo ever.
by El Yakko September 18, 2003
 
1.
yak
Congnac. As in the brandy. Used by hip-hop / rap artists
Sippin yak
by j May 09, 2003
 
2.
yak
to vomit.
hey man, i gotta yak.
by babycakes November 10, 2003
 
3.
Yak
cocaine
I just got blasted as fuck off that yak
by Eric the Red November 07, 2003
 
4.
Yak
"First originated in the small town of Danville, Indiana, this word was first used on the baseball team by Alex Mershon. This word describes a situation where you are at a lose of words to describe the amazing feat that has been laid out before your eyes. This is where the word yak is used. Sometimes when something is extra amazing the "a" part of yak can be drawn out to produce the word yaaaaaak"
That's a yak!
by Thebuffa June 10, 2013
 
5.
Acronym: Yugoslav, Albanian, Kosovar, Serb.
Used in security bio descriptions.
There's a buch of YAKS, there up to no good.
by Jim Bladwin April 11, 2004
 
6.
You Already Know
Jimmy: "Yo bro, you better tear it up!"

Omari: "Y.A.K."
by jshur93 January 06, 2012
 
7.
A typically used reply to show strong opposition to a claim or question presented by another. Variations include:

Ya Kay
Ya Hay
Ya Fay
Ya Gay
Block: I'm about to get a Killtrocity!
Radel: Ya k. *nade*
BETRAYED!
by BlockBLX October 15, 2010