Definitions by BCracecar

JB Weld 

When semen is allowed to dry and harden inside the ass after anal intercourse, gluing the orifice shut and forming a seal.

Stands for "Jizz in the Butt" Weld

I had sex with this girl the other day. But she was being a total bitch, so I JB welded her ass shut.

JB Weld by BCracecar December 15, 2012