Definitions by jman:)

GBR 

Gag Bag and Rag.

A technique where you have sex with an ugly girl who has a good body.

Gag her, to stop her talking
Bag her, bag over the head so you don't have to see her face
Rag her, self explanitory

NOT to be confused with rape.

"That girl is well fit but bloody ugly"
"I'd GBR her man!"

GBR by jman:) July 11, 2009