flubberfap Share definition Flag When you jack off but you are unable to see your dick, (AKA if you're fat) and you have to feel it out. Man Xavier likes to flubberfap flubberfap by kickREDneckSISinTHROAT November 11, 2018 0 0 Get merch Get the flubberfap mug. Buy Now — $32.95 See more merch