DTBJ 

Deep Throat Blow Job - a blow job where the girl takes the whole cock in her mouth.

She gave me an awesome DTBJ

DTBJ by Timmy2tone August 4, 2006

DTBJ 

A girl who is Down to (give) a Blow Job. Acronym can also be used as a cut down a bro.

1) Brochacho, that girl is vibing on me. She is totally DTBJ.
2) Bro, Julian is always DTBJ.

DTBJ by cate1925 June 14, 2011