A boy that thinks he can get in any girls pants. Chances are he comments heart eyes on girls Instagram in hopes of getting her to like him. You can often find them lurking in the girls bathroom at star bucks to swoop in and fuck yo bitch.
White Girl 1: Oh my gawd Karen!!!! GAVIN JUST COMMENTED ON MY SELFIE!!! *squeals*

White Girl 2: "Ew what the actual fuck Jessica. Why would you be excited over Gavin?!? He is a total man whore. He is the biggest fukboi in all of the entire universe.

White Girl 1: *sobbing* "Why do the fukbois always go after MEEEEE?!?!?!?!?"

White Girl 2: "Cause you're a slut"

White Girl 1: *sobs louder while trying to sip her pumpkin spice latte*
by InsideMichaelClifford March 7, 2015
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A guy who thinks he's all that and tries to get in a girl's pants (none of our business but probably even a guy's) most likely a complete douchebag, who thinks he can get anyone he wants just by acting one way to manipulate the person into having sex with him.
Goddammit, I knew Collin was a fukboi, TOTALLY CALLED IT!
by ManicD3P43551V3 April 27, 2016
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Someone who tries hard to get with every girl in their school but doesn't get any because they're annoying and think they're the shit
Austin Loomis is literally the definition of a fukboi. He's always saying "send me a pic of you (;" like who tf are you no get out.
by Hatefukbois June 15, 2015
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A dude who has a girlfriend/fiance, as well as a baby, who sends shirtless pictures to random girls on the internet in hopes of getting "lucky"

His favorite girls to bombard early af in the morning are the ones his "true love" hates the most.
Ew look, that Tannim guy is such a Fukboi. Gross.
by KillcowKiki December 15, 2017
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A boy that thinks he can get in any girls pants. Chances are he comments heart eyes on girls Instagram in hopes of getting her to like him. You can often find them lurking in the girls bathroom at star bucks to swoop in and fuck yo bitch.
White Girl 1: Oh my gawd Karen!!!! GAVIN JUST COMMENTED ON MY SELFIE!!! *squeals*

White Girl 2: "Ew what the actual fuck Jessica. Why would you be excited over Gavin?!? He is a total man whore. He is the biggest fukboi in all of the entire universe.

White Girl 1: *sobbing* "Why do the fukbois always go after MEEEEE?!?!?!?!?"

White Girl 2: "Cause you're a slut"

White Girl 1: *sobs louder while trying to sip her pumpkin spice latte*
by InsideMichaelClifford March 7, 2015
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Those boys that wear Nike socks just above the ankle, and try way too hard to pull a chick. (Usually by offering to take them to Starbucks to buy them a Pumpkin Spice Latte.)
Girl #1: "Ugh, Jessica, Ben texted me todaaay.."

Girl #2: "Omg Nikki, why do you seem sad? HE'S HOT!!!"
Girl #1: "What the actual frick, Jess.. Haven't you noticed? BEN IS A FUKBOI."

*the second girls phone buzzes and she picks it up*
Girl #2: "W-What the fuck, Ben just texted me too.. Asking me to meet him at Starbucks tonight so he can buy me a PSL.."
Girl #1:"He said that to me too, just ignore him. Fucking fukbois *rolls eyes*"
Girl #2: "Yeah heheh.. Fukbois.."

LATER, Girl#2 decides to meet with fukboi Ben, and notices that she came an hour early, but Ben was already there.

Girl #2: "Hey Beeeen.. (;"
Ben: *stutters but tries to seem cool* u-uhh.. Hey .. Courtney.. ?"
Girl#2: " It's Jessica. *eye roll and smile*
Ben: *still stuttering* oh yeah. Uhm, yo-youre early? Heheh.. *gulp*
Girl #2: "yeah, sorry about the mix up, I-"

GIRL NUMBER ONE WALKS OUT FROM THE STARBUCKS BATHROOM TO GO BACK TO BEN. BUT THEN SHE SEES GIRL #2?!?!? SHE CAME?!?!! THEY FIGHT ABOUT TELLING EACHOTHER NOT TO COME, AND THEY BOTH DEFEND THEMSELVES BY SAYING THEY BOTH JUST WANTED A FREE PUMPKIN SPICE LATTE. THEY NOW HATE EACHOTHER, AND BEN IS STILL A FUKBOI TRYING TO PULL GIRLS WITH PSL'S. THE END.
by DynamicObserver October 28, 2015
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"A ‘fukboy’ is a man who sleeps with women without any intention of having a relationship with them or perhaps not even like them at all. The Rico Suave ones, will ask you what are your looking for the next day. Then tries to call you clingy, even when that's not the case.” Get in the boat with the rest of the Ratchets!
I wasn't dumb I could see straight through his fukboy intentions!
by MISSK1982 December 21, 2018
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