Feck boi Share definition Flag A person who prefers to use back over feck over fuck. Joanne: Cutty your a real fuck boi!Cutty: No Joanne you have me pegged all wrong I'm a feck boi! Feck boi by Feckboi June 14, 2018 0 0 Get merch Get the Feck boi mug. Buy Now — $32.95 See more merch