A fork of Rural Dictionary
Otherwise know as Jackypoopoowinkywoowooandrewwillson III, Yack is a term used to describe an individual who will regularly wear a ' Yellow Puffer Jacket'. "www.crosshatchclothing.com/products/demerley-jacket-yellow"
Dude, is that yack I see over there!
The inane and sensless chatter of any two sports announcers during televised sporting events in an effort to avoid dead air.
John Madden,Dick Vitale and any other "rabid" color commentators spouting incessent yack and babble sports trivia, in an effort to avoid dead air.
The act of masturbating so hard that you throw up.
Guy1: I was whackin it so hard last night i puked. Guy 2: oh you whack and yacked?