A Fuck Boi is someone who commonly shops at Nike, and believe themselves to be ‘Top Shit’. A Fuck Boi is a player of the highest caliber, they are in it for the sex rather than the people. They are certainly more than the common douche bag.
Example of Fuck Boi
Fuck Boi: I’m a gift bestowed on humanity.
Any sane person: Yeah more like a git bestowed on humanity.
Example of how to use Fuck Boi
Girl 1: Kevin such a man whore.
Girl 2: No Steve’s a man whore Kevin is a Fuck Boi.
You bitch ass Fuck Boi, all you do is flirt off the pickup lines website just to leave everyone.
(See bitch I told you you're the definition of Fuck Boi)
A "fuck boi" is a douch bag usually anywhere from 12 to 22
12 to 15 year old fuck bois- They wear sports attire and talking about having sex with girls even thought they haven't. And they've had multiple 'girlfriends'
If you ever date one throw his ass in the garbage like the condom your hiding from your mother.