n, One who emulates the actions of a Real Man, only for personal gain, especially when dealing with potential mates or sexual Partners.
by MarkusAquarius August 25, 2021

:(n) male that know how to manipulate the mind of a female or multiple females with or without realizing it
Friend 1: so this boy definitely flirts w me and we've hung out a lot & kissed like I think we like each other
Friend 2: OH yes girl you get he's cute and perfect for you
Boy (on the dl): she's so not bubbly anymore like I like the old her, but we're just friends anyways so I'll keep doing what I'm doing
Friend 1: I found out he doesn't like me like I thought he did
Friend 2: omg he's such a fuck boy
Friend 2: OH yes girl you get he's cute and perfect for you
Boy (on the dl): she's so not bubbly anymore like I like the old her, but we're just friends anyways so I'll keep doing what I'm doing
Friend 1: I found out he doesn't like me like I thought he did
Friend 2: omg he's such a fuck boy
by Gaygaygay July 24, 2016

Definition of a fuck boy is a boy who leaves you for other women, who will break your heart will talk to anything with a pulse is 28 a chef at lime tree inn york
by Dontfuxkwitme April 18, 2022

by Dragon.fairy.gay April 14, 2020

Fuck boi: I blocked these bitches as soon as I was done.
Teen: Fuck off! You're just a boy, not a man.
Teen: Fuck off! You're just a boy, not a man.
by suck_my_d33 January 12, 2025
