rubber up

to put on a condom before (anal) intercourse.

verb. Primarily British gay usage.

"I stopped to rubber up before I fucked Jimmy in the arse."

"Guys who bareback don't rubber up."

by stsebastian November 18, 2009

Rubber up your bumper

To lube up your asshole or someone else's asshole

Hey girl, bend over and rubber up your bumper because you're about to get lifted

by Yep, I did it, so what? May 05, 2016