bumneck 

When your ass and back are one - uni kidney like - so as to create a bumneck

Check out the bumneck on that guy.

bumneck by jay v rocker February 26, 2019

bumsecks 

The way stupid homosexuals go at slamming the shit (literally) out of eachother... remember... ribbed condoms for better traction in the mud ;)

HAHAHA you fag.. you like teh bumsecks =P

bumsecks by Logz0r March 21, 2004