by your average redditor July 6, 2023

When you nut while you fuck. Basically when you’re doing the fucky fucky with someone and you nut while doing that. Pretty much :)
“Bro I did such a big fucknut in my brother last night- I mean how was your day?”
“Uhh… can we please call the police David-“
“Uhh… can we please call the police David-“
by soggynoodledaddy December 9, 2020

by Kyle,that random guy. January 2, 2018

FUCKNUT!
by fnpj June 19, 2024

A fucker who's nuts dropped when they were 24. An absolute nonce of a human being and are the tool's of this earth. Often associated with douche bags who need to grow up.
by umadbro14 January 27, 2023
