ciencebum Share definition Flag Ciencebum is seeing someone with a large bum and being excited. Guy: ciencebum! I saw this thick girl todayOther guy: wow, she’s really got that ciencebum. ciencebum by Freddie mercury December 19, 2018 0 0 Get merch Get the ciencebum mug. Buy Now — $32.95 See more merch
