Bumsex 

Word used as general adjective or exclamation, generally for something negative

As in "Oh no! I've been robbed! That's so bumsex!"
or
"Bumsex! I've been robbed!"

Bumsex by bumlover February 1, 2008

bumsex 

The english expression "bum" refers to the buttocks. Therefore, bumsex this side of the pond would refer to anal sex.

Hiya love, fancy bumsex?

bumsex by Lord Football March 6, 2005

bumsex 

getting a good stiff poke up the shitpit

bbbbbbbuuuuuuuuuuuummmmmmmmmmm ssssssseeeeeeeexxxxxxx

bumsex by Anonymous January 6, 2003

bumsex 

When bums (hobos, or homeless people if you will) have sexual intercourse.

"Wow you saw some bumsex? That shit's better than bumfights!"
"Yeah it was in a big cardboard box."

bumsex by Rosemary February 24, 2004

bumsex 

meatpole stuck up batty hole

berty took out his sledgehammer and whacked the cobbled stones of canal street

bumsex by MegaSteffan November 23, 2002

bumsex 

Beating the Bumhole

Getting your hard knobber and slidding into rectum hole with the aid of lubrication. Also known as buttfuck

bumsex by Bisto2002 November 27, 2002

bumsex 

geting a solid stiff slap on the rectum

bumsex by bum raft January 6, 2003