The male who is responsible for inviting along female companions when a group of males decide to go out. The Ass Captain has no other responsibility other than to ensure the women show up for the evening.
Individual who goes out and beyondthe call of duty to make a total asshole out of himself whether it be too much to drink or just in general acting like a real asshole..
Hey did you hear what day it is?
Yeah itโs national beat the beaner captains day!
National beat the beaner captains ass day is a national holiday where you beat him up