Definitions by Krillcrusher

BDO 

BDO is the acronym for "BACK DOORS OFF", the art of the penis entering the female anus and thrusting violently until the female's anus becomes loose.

William: What did you get up to last night Daniel?

Daniel: I blew the BDO this maltese girl!

BDO by Krillcrusher February 1, 2012