Fub Share definition Flag Fub is a word to describe an Oily man's boobs rubbing against someone's feet. "Nick, can you please give me the best Fub of your life time?"Nick gave Kevin a really long and hot fub. Fub by slaypussyeating July 24, 2022 0 0 Get merch Get the Fub mug. Buy Now — $32.95 See more merch