Clonk

An Onomatopoeia, defining the act of hitting someone (preferably in the head) with an object that is guaranteed to make a noise. Some of these items can include things like a Pringles can, Frying pan, Gong, Metal pipe, or a Dodgeball.

Person 1: Dude I'm about to clonk this guy in the head with a can of Pringles
Person 2: Bro this is gonna be so hilarious
(Clonk)
Person 3: OW.