Top definition
When a man tucks his penis between his legs so that it is facing backwards and the women gives him a blow job from behind with her face firmly pressed up against his ass.
This chick was so dirty last night that she gave me a backdoor BJ with her nose in my ass while i watched sports center
by BEEEEEEEEEEJJJJJJJJJJJJJJ June 01, 2012
Get the mug
Get a Backdoor BJ mug for your Aunt Nathalie.