A man (usually in his late teens or early twenties) who sleeps around a lot, treats others badly, and dresses badly.
by The_ultimate_definer June 12, 2015

The biggest douche bag you know. A fuckboy runs around acting like they're the shit all the time but everybody secretly (or not so secretly) hates them.
"Look at Hannah B. over there, what a fuckboy. She thinks she is so cool, but she's actually a big tool."
by stking February 25, 2015

- Could be used when name calling someone but I wouldn't recommend it.
- Used in prison/jail, a person used as a human sex doll.
- Used in prison/jail, a person used as a human sex doll.
by MichaelCliffordLover June 12, 2015

Lexi: Omg is he discriminating that girl?
John: Shut up hoe, he is being a Fuckboy. That's good, now sit down and suck my dick you whore.
John: Shut up hoe, he is being a Fuckboy. That's good, now sit down and suck my dick you whore.
by StrayberryShitcake August 28, 2017

The guy version of a slut, whore, skank, etc. Is usually privileged in some way with money, private schooling, etc.
Me: Did you hear how John was talking to all those girls before the party then he made out with one of them right in front of the others
Jane: Yeah he's such a fuckboy.
Jane: Yeah he's such a fuckboy.
by mkimball April 4, 2015

Fuckboi' are often soccer players
by frothstar March 7, 2015

The fuckiest fucker of all fuckers. This Fuckboy is hella annoying; can also be referred to as Ripken Olegario.
Thug Nigga 1: "Ayo bruh yous a Fuckboy frfr"
Thug Nigga 2: "Yo chill fam I ain't tryna be no Ripken tf nigga"
Thug Nigga 2: "Yo chill fam I ain't tryna be no Ripken tf nigga"
by Crackerjacker1 January 23, 2015
