A large amount of semen, ejaculate
That bitch was so hot I busted a Fat Nut on her tits!!!
The roll of fat that extremely over weight women have that hangs below their waist. (Not to be confused with phat nutz.)
"Damn dude, Misty has really put on weight since high school!"
"Yeah, I know, she has fat nuts!"
someone with a large head. scots insult.
"fuck up, ya fat nutted, bawheedit bastard."
When you masturbstate for straight 6 rounds after an extended period of abstinence due to circumstantial inconveniences.
End of the summer camp:
Jim: ‘Ye when I’m back home imma bust a fat nut’
Jack: ‘nice’
I just busted a mighty fat nut in the neighbor's dog.
When you release a nut of gargantuan proportions that is worthy of the gods
"Wow i busted the mightiest of fat nuts in my neighbors dog yesterday"