Definitions by arump

capper 

Noun: One who gives commitment to a group activity and flakes; bad with planning; indecisive when explaining their availability to his or her peers.

Brian said he would come to the beach, now he’s not responding to texts; Brian is a capper

Ethan planned with to see a movie with the group, but says his mom wouldn’t let him go; Ethan is a capper

capper by arump June 20, 2019