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

Fuckbuster 

Almost synonymous with cockblock, but worse. Someone who constantly thwarts sexual encounters out of jealousy because they have no game. Can single-handedly ruin a party unless immediately kicked out.

Who invited Lawrence? Get him the fuck outta here, he's a total fuckbuster.

Fuckbuster by The TrUth will find you out March 1, 2015

fuckmaster 3000 

The sacred fuck master 3000 is an extraordinary device used either for extreme penetration of ones vaginal or anal complex or the encasement of a cock. It may also be used by your moth to practice your lickin'n'flickin. Overall the Funkmaster 3000 is the ultimate Christmas gift for your nephews and grandkids!

Julie, I just got the new Fuckmaster 3000 for little Timmy. Oh, he will be so delighted to get it for his birthday!

fuckmaster 3000 by BigDaddy12341234 December 15, 2017

Fuckmeister

The go to guy in porn movies. These guys are usually well hung, can perform sex acts in many various positions, and usually supply the actress with large amounts of ejaculate during the money shot.

Peter North is a real Fuckmeister he can bang a girl for 15 minutes or longer and blow a huge blast of cum during the money shot.

Fuckmeister by James T. Dean January 4, 2009

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

Fuckcunter

Someone who continues to lower your expectations, even when you think they couldn't get lower

"He dropped the ball again on this- such a fuckcunter"

Fuckcunter by Feebeefee October 29, 2020

fuckmuncher 

one who munches a fuck.

lacey, the fuckmuncher, munched jason and stephanie's fuck.

fuckmuncher by jared gordon guy September 26, 2009