When you jack off with a fur glove that feels like an animal (Ex. Yack fur)
My friend was hunting when he made a glove and started “Yacking off”
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?
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.
To steal/rob/snatch/grab.
Slang synonym: to nick
-"Where you get that chain fam?"
-"Man yacked it still"
Acronym / Noun
The umpteenth ambitious AI project announced with great fanfare, promising to dethrone the reigning champ, ChatGPT, only to end up in the vast graveyard of "next big things." Often characterized by flashy tech jargon, exuberant founder quotes, and a lifespan shorter than the hype cycle.
"Did you hear about the launch of XYZ AI? They're calling it a real YACK, but let's see how long it lasts before it joins the others in the Silicon Valley shadow realm."