Pronounced : "chawch" An event such as a house party, a night club, or local bar where there is a much more significant amount of guys (chaches) rather than girls.
by Polymers May 7, 2017
Get the chach partymug. A guy who thinks he is very cool, wears pit vipers unironically, can't grow a beard, and likely comes from nazi aryan bloodline.
by ThosePitVipersTho May 11, 2023
Get the Chachemug. by JerryJonfidence July 4, 2025
Get the Chachmug. 
