Definitions by PowBlocks
UGBS
To have Unprotected Gay Butt Sex.
Richard: The inside of your ass feels amazing against my unprotected penis. I'm so glad we decided to have UGBS instead of using a condom!
Damon: And your unprotected penis feels fantastic when it pounds against the walls of my inner anus. This feels even better than the UGBS that gave me aids!
Damon: And your unprotected penis feels fantastic when it pounds against the walls of my inner anus. This feels even better than the UGBS that gave me aids!