What is Ass-beer?
when a bunch of fucking idiots like steve-o did in jack ass 2 have beer put into their asses, but when it come out the ass someone has to drink it, ass-beer.
often a dare to do the above
or, when you cum in a girls ass then someone drink your cum out of her ass, usually done when there are multiple partners.
'dude did you see what charlie did to dash, he drank his fuckin ass-beer.'
'dash said kai's ass-beer tasted like cum' 'thats cuz it was cum you fuckin dunce'