Top Definition
An angular chop and quick snap back of the wrist to the neck or base of the neck. A true yacka should be angled between 37 to 53 degrees into the target. The person delivering the blow shall say yacka during the strike.
What's up bitch, YACKA!!!

Bitch didn't give me a blow job, so I gave her a yacka.
by Bidges September 26, 2013
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