Activity that is Wack. Like.. "that shit is wack". Often produced by wacktivists.

Wacky+activity=wacktivity
A wacky activity that looks like a game without the athletic edge of a traditional game. As coined by Kidz Blitz.

When you're at a party with a bunch of random people but it's kinda lit.

the opposite of swagnified. when something wack is activated.