Boob Tree Share definition Flag A woman who would not be in the room, job, backstage, pageant, etc, if not for her skinny frame and large breasts. That's the lead singer standing over there surrounded by boob trees. Boob Tree by Captain Drag-Ass May 2, 2009 0 0 Get merch Get the Boob Tree mug. Buy Now — $32.95 See more merch