DBJ Share definition Flag DBJ stands for a dirty blow job. A DBJ is an especially sloppy blow job which may include excessive amounts of spit, deep throating and ball sucking. Dennis: Did you get laid?Anthony: No, but she did give me a DBJ.Dennis: Nice! DBJ by Ambrogio February 16, 2010 0 0 Get merch Get the DBJ mug. Buy Now — $32.95 See more merch