Wubby Bum Share definition Flag A sexy person who you are in love with. Someone who's backside you like to squeeze, smack and stare at. "I love you my Wubby Bum" say this while squeezing their bottom. Wubby Bum by zoe0983 July 8, 2010 0 0 Get merch Get the Wubby Bum mug. Buy Now — $32.95 See more merch
