The act of one man inserting his penis into another man's ass. Not to be confused with straight butt sex.
Harry and Tommy decided they were bored so they had some gay butt sex.
by Harry Zonka August 31, 2008
2 more definitions
When two males try to bugger each other, or the act of one man getting his poop chute plundered by another dude's schlizzong.
Ja Rule loves the gay buttsex
by Mikey G October 20, 2003
1. The act of sexualy being gay in the anus.
You like gaybuttsex? WOW! I like gaybuttsex too!
by Wopple February 19, 2005