Boob split Share definition Flag (noun/ verb) when a well endowed woman jumps with a bit too much enthusiasm causing her breasts to do a 180° from each other While dancing Black Silk's boob split drew all the boys to the yard! Boob split by Scrappy Diva July 22, 2017 0 0 Get merch Get the Boob split mug. Buy Now — $32.95 See more merch