Fat Man Pants are an informal variety of trousers intended for comfort or athletic purposes. Often worn by students in college from mainly American branded shops.
John: I'm sick of these jeans, might lash on the old fat man pants later.
Buckley: Ah good idea John. My mother packed my bag so I don't have fat man pants with me.
by Surfingarbo June 8, 2010
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The ecstatic, overjoyed state that an obese person enters when filling their face with food. The more calorific, the greater the height of delirium; for example a creamy chocolate pudding can induce extreme hysterical behaviour with a complete loss of their surroundings, hell-bent on ingesting as much food as possible.
"Shit, what's up with Fat Rich? He's bouncing off the walls with fudge cake all over his face!!"

"It's fat man delirium! Who the hell let him get at the cake?!"
by SiBrad July 10, 2011
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No good scammer that should never be trusted with any amount of cash in runescape. He has scammed nearly 500mil+. He will befriend you one moment, and backstab you the next, don't give into his lies, he may convince you otherwise, but in the end, you'll just be his next victim. The only upside is that, he believes that runescape is more than just a game, it's his life, preserved in a server somewhere. This brings me, and many others great joy, because the more he scams, the more he is sucked into this imaginary world, and the more 'real' life he loses. Let's just observe him, slowly killing himself, and enjoy it. Doesn't that just make you feel all warm inside?
scammer, loser, child, immature, cunt, prick, tool, hillbilly(I mean have you seen his commentaries?), ah, I could go on for a while... but you get it fat man cake
by Wouldn't you like to know :3 January 8, 2012
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This man is an Indian boi and eats naansters from refuel all day he messes around around and thinks vaccines cause autism . Don’t mess with this big bad boi
Girl1: did you see Fat man flan
Girl2: yeah he is a massive nonce
by Heinz beanos March 3, 2020
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The reason I find Abraham Benrubi way more attractive than Jude Law.
"I mean it; the quarterback's all yours. I'm more interested in the tackle; he's got that whole fat man's charm thing going on."
by Qit January 13, 2004
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when you doin anal with ya girl and pinch her little toe (some Chinese reflexology shit) to make her shit while your dick is inside. The resultant explosion is called a Texan Fat Man.

RIP nagasaki
Daquan: Yo my dick still stank after I gave LaQuesha a Texan Fat Man last night
Conan: ewwwwwwww nigga tf is she ok
by _shawshank January 19, 2019
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Due to the fact that a fat man has a large gelatinous pot belly it renders him unable to bend over and tie his shoe in a conventional manner. The large beast of a man must tie his shoe sitting down with one leg up and crossed over the other leg's knee while tying, so as a result it positions the knot to the inner side of the shoe instead of down the middle like a normal person's knot would be.
Billy, after hours of porch dwelling in his favorite chair, decided to give his fat man knot a tightening before he wobbled over to Todd's house.
by Todd Anthony L. July 30, 2009
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