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!
by Feckboi June 8, 2018
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Like a Fuck Boy but the opposite. Feck Boys normally don’t care for anything but vidya and normally only socialize with their dominant hand and their wee-wee.
Wow. Tyler didn’t slam mad puss this weekend? What a feck boy
by PurpleGradient February 8, 2021
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