fuck monster 

n. A girl who is always at the cock.
v. A person fucks like a fiend.
adj. Some who is too ugly to fuck

n. Damn Mo is such a fuck monster, she always grabing at my shit.

v. I tried to stay with it all night, but she was a fuck monster and I dried out.

adj. Look at Felix, he knows she aint looking at him, he's a fuck monster.

fuck monster by P. Will November 5, 2006

'Fuck you' monster 

A monster that intends to kick your tuccus and generally makes things difficult for you.

I forgot that the guardian ape is a 'Fuck you' monster

'Fuck you' monster by ScavvBOI November 17, 2020

Poop Monster Shit Fuck 

When A Really Fat/Obese Man Fucks A Girl In The Ass So Hard That They Shit, Thus Making The Man Really Horny And Smears It All Over Himself Then Eating It

Man I Totally Just Got Done Poop Monster Shit Fucking This Really Hot Babe

Poop Monster Shit Fuck by CaptnDesDes December 14, 2010

fuckmonster 

A phrase almost exclusively used by men talking about women.
A girlfriend with an absurdly high sex-drive, which initally seems great, but then you realise it's far higher than yours and you can barely keep-up, you can't sleep, you've no energy, you feel like death and STILL SHE WANTS MORE

James was overjoyed with his new girlfriend, but soon found-out that she was a fuckmonster.

fuckmonster by Andy WRX August 21, 2008

fuckmonster 

A relationship definition somewhere between "friend-with-benefits" and "disease trader."

Ro Bag: "I'm not Katy's boyfriend, I'm just her Fuckmonster!"

fuckmonster by Marcus Chizzle December 28, 2005

fuckminsterfullerene

When 60 carbon-based life forms fuck eachother all at the same time in a geodesic 60-way orgy.

Ready for the fuckminsterfullerene tonight? I invited only 58 other people I found on Tinder. It’ll be absolutely lit.

fuckminsterfullerene by Bad C dev February 22, 2023

fuckmunster 

Someone you've had intimate relations with who turns out to be an absolute asshole....

"I can't believed I even LIKED that fuckmunster."

fuckmunster by ckerr June 5, 2007