bootylusion Share definition Flag a bootylusion is when a girl makes her booty look bigger then it actually is making an illusion of the booty i saw a booty from across the room but when i went over to it i saw it was only a bootylusion bootylusion by thedefiner v4 June 13, 2014 0 0 Get merch Get the bootylusion mug. Buy Now — $32.95 See more merch