1) The heterosexual act that helps a friend not get an STD with a woman; Man #1 sticks his male reproductive organ into a Man #2's behind, while that Man #2 puts his penis into the woman, therefore protecting Man #1 from any vaginal diseases. It's only 97% effective.
2) The Blocking of another cock (less frequently used)
2) The Blocking of another cock (less frequently used)
1)- "I don't want to get her fat genes if I have sexual relations with her."
- "It's okay, I'll be your ass condom."
- "Thanks, your the best friend ever."
- "It's okay, I'll be your ass condom."
- "Thanks, your the best friend ever."
by Mikey Creepy Fingers May 16, 2008
Get the ass condom mug.short for condensationesque ass; when ur ass is sweaty from sitting in a leather chair/couch/stool for too damn long
kratos: "my ass is so sweaty from sitting in this hot ass bar and this leather barstool isnt helping. now i have condo-ass"
xelacue: "ugh, i hate that!"
xelacue: "ugh, i hate that!"
by kratos2010 June 22, 2009
Get the condo-ass mug.