Girl 1: I don't know who I should go out with! James or Tom? Girl 2: wwyfbd? Girl 1: You're right! I'll go out with them both! via giphy. Your FuckBoy or also known as WWYFBD - What would your fuckboy do. 466 Posts - See Instagram photos and videos from 'wwyfbd' hashtag. It's kinda cool that my brand represents thousands of men and women worldwide that are known for being kinky, disgusting, little freaks, in bed #WWYFBD. Fuckboy (alternate spelling: fuckboi): “A young man who sleeps with women without any intention of having a relationship with them or perhaps.