TripleBJ Share definition Flag A form of fellatio involving: a woman (ideally with a wide mouth, ala Julia Roberts) and three males bound together at the penis. "We sure could go for a TripleBJ, am I right?" TripleBJ by Kazbot September 25, 2009 0 0 Get merch Get the TripleBJ mug. Buy Now — $32.95 See more merch