Best definition
Congnac. As in the brandy. Used by hip-hop / rap artists
Sippin yak
yak: define #2
to vomit.
hey man, i gotta yak.
yak: define #3
You Already Know
Jimmy: “Yo bro, you better tear it up!”

Omari: “Y.A.K.”

yak: define #4
I just got blasted as fuck off that yak
yak: define #5
Acronym: Yugoslav, Albanian, Kosovar, Serb.

Used in security bio descriptions.
There’s a buch of YAKS, there up to no good.
yak: define #6
1. prolonged speech without empathy or edification to the listener’s subject matter; 2. conversation deemed inappropriate to a situation or the context of the discussion; 3. any conversation heard by a third party
“Yak, yak, yak. Is that all you do is talk?”

“She’s yaking on the phone.”

“He’s yaking only to hear himself talk.”

“Quit yaking and get back to work.”

“He’s just yaking. Off on a tangent. He doesn’t know what he’s talking about.”
yak: define #7
A slang term derived from another slang term for cocaine, “yay”. Other commonly used slang terms for cocaine are:”Blow” “White” “ski” “ski trip” “snow” “powder” or, just touching one side of your nose and making a sniffing-noise.
“The yak is hard to track down right now.”