When you beat the fuck out yo dick, but then the moment you cum you realize you just watched or thought of the worst shit ever and you probably goin to hell now!
Yea my day ain't been goin well, woke up this morning and had a oh fuck nut! Thought of that chubby skank Jessica but then I realized she's a filthy cunt and I shouldn't have touched myself to her
by BryJ December 17, 2018
Get the Oh fuck nutmug. A person who does stupid things in an effort to get clout but rather gets hate. Fuck-nut could also be a term for someone you don't like.
Example 1
Man 1:did you hear ed, he jumped off a bridge to impress a girl
Man 2: I did. Ed is such a fuck-nut
Example 2:
KID: HEY HEY HEY
GIRL: SHUT UP I HATE YOU, YOU FUCK-NUT!
Man 1:did you hear ed, he jumped off a bridge to impress a girl
Man 2: I did. Ed is such a fuck-nut
Example 2:
KID: HEY HEY HEY
GIRL: SHUT UP I HATE YOU, YOU FUCK-NUT!
by A fuck-nut April 21, 2022
Get the Fuck-nutmug. 
OH YOU FUCK-NUT
by TTV SpaceFam972 September 14, 2025
Get the Fuck-Nutmug.