mr bigger Share definition Flag the name given to the large erection of a brown man. it is big in both length and girth and shoots cum up to 13 feet. it gives great pleasures. "last night i put all of mr bigger in my mouth" "i could not beleive the size of mr bigger" mr bigger by _mr big_ November 13, 2006 0 0 Get merch Get the mr bigger mug. Buy Now — $32.95 See more merch