1) (n.) Very simply, having sex with a fat (overweight) woman.
2) (adj.) A person who is both fat and stupid.
1)
-I had sex with Annie yesterday.
-With Annie? Ewwww! She weighs like, a tonn!
-Yeah, I know, it was a total fat fuck.

2)
Fat Bob: Oops, I dropped my hat...
Mike: Move out of the way, you fat fuck!
by Urban_Fellow July 16, 2006
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Taking one roll of fat on one side, inserting dick and then on the other side of the dick put another roll of fat. Then thrust. Basically a titty fuck with fat.
Me- You guys do anything last night?
You- Not much, but I fat fucked the shit out of her!
Me- What could you not find her vagina?
by Zach aka Convoluted April 22, 2008
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The act of rapidly thrusting your penis between someone's fat folds, resulting in orgasm.
I gave her a good fat fuck.
by Schismrobo April 13, 2008
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Any type of activity involving fat bitches and lunchboxes.

See related words: "Fat Eating", "Fat Driving", "Fat Eating"
Stoner 1: Where is Fatboy?
Stoner 2: Probably Fat Fuckin
Stoner 3: Black Ass
Stoner 4: Lunchbox is all about that Fat Fuckin.
by Weed Man April 1, 2004
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Noun

A word that is also used instead of “my dear sister”. Fat Fuck may sound vulgar but in reality, if someone says this to you, they mean all the best. For example: “dorthy you FAT FUCK!” Is just another way of showing brotherly love
Oye dilpickle you fat fuck, get me some ice cap panjodh.”
by Dr pabosimsim July 10, 2018
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Fat Fuck; When trying to have intercourse with a larger woman it’s hard to find the hole ? What you do is go 3 flaps forward, find the one that smells like shit and looks like curdled cottage cheese and go one flap back and your there!

“Fat” Fuck Get it
Tonight I’m gonna try my first Fat Fuck ! Hope Heather is understanding if I don’t get it right! I’ll bring Flowers!
by Amy Jae December 9, 2022
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An obese person of planetary magnitudes. Like they give the sun a run for it’s money with how fat they are
My pal is one massive fat fuck like holy shit Donald your a fat fuck and nee to lose some weight
by That Guy From The Ranch April 16, 2023
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