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3.
When a guy's jizz gets all over a girl's ass. Can only be done by the most kinky of sex partners.
Guy: Ima asscum you tonight.
Girl: Make sure u aim in the hole!
by Zack can fuck u good July 17, 2006
 
1.
1. Unpleasant result from anal intercourse in which the cum leeks from the anus, discolored with feces, and chunks of feces. Can often lead to Anal Cream Corn.

2. A mutation in which the Vas deferens are routed to the rectum, resulting in ejaculation out of ones asshole.
1. "Dude you just farted ass cum back onto my dick"

2. "I just blew a load of cum out of my ass", says guy 1
Guy 2 retorts,"That, my friend, is what we call ass cum."
Guy 3,"mine usually comes from my dick."
Guy 1 states,"My semen always came out of my ass."
by Coocher January 18, 2008
 
2.
When a clear liquid spews from the ass, generally by those who enjoy the thought of anal intercourse/those that are having anal intercourse.
-Thrusthrustmoanmoan.
-Asscum!
by xxbliss April 09, 2009
 
4.
when aomeone as cum in their ass and it spues out
mark had soo much asscum last night he got home and then spue it was groose
by m night shablalabada October 20, 2007