A fine-ass man/boy you only want to have sex with. Basically, just a piece of meat. I.e. "RiCkY NeLsOn wUz a FUCK BOiiii." A man who only makes u think about SAXxxxXXx. A man who forgets girls names when is done w them.
by Benton4000 March 31, 2016

fuck boy is is a guy cares only about sex . he take forever to text you back . he doesn't let you talk to other boy but he can screw as many girls as he want's he always cancels on you at laft he last minute and gets mad when you can't do what he wants
by princess_grossrich December 12, 2016

by Never_again28 April 19, 2018

The newest person to a work place or a team. Someone that is out of the knowledge loop. Especially in a training environment. If you have to ask what a fuck boi is you just might be one.
by Sachromyces September 5, 2016

Ben Joel Manson. Usually has messy blond hair and is very slim. Is obsessed with girls and can be very flirtatious and can be a liar. He can also be very annoying.
He's the complete definition of fuck boy.
He's the complete definition of fuck boy.
by Anon 01 October 28, 2015

by Man Stamos August 17, 2015
