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

fuckmonster 

One who frequently engages in carefree sportfucking without regard to commitment, reason, or partners' emotions.

Yulia: William is a dirty, dirty fuckmonster.
William: You know you love it.

fuckmonster by Dino February 10, 2005

fuckmonster 

the monster who tries buttfucking you when you drop something on the floor (not dat ass)

yo this fuckmonster makin my back ache

fuckmonster by sumsarious the III February 14, 2023

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

fuckmonger

one whos conversations are always about sexual actions, ideas or experiences - most likely caused due to some childhood expieriencces and an abnormal development - but in real life most times those folks are most romantic (and jet limitless perverted) but dont enjoy the herassment of others but the exploration...

"you fuckmonger! stop it! we want to watch the damn movie! everytime you´re talking about your heini or my girls titts - hey we all know theyre hot so get your own one - daaaamn!"

"honey why are we still hanging around this immature fuck?"

"cause he´s a nice guy and somewhat funny - don´t be so hard on him and slip your fingers into my panties"

fuckmonger by PRtelekinesis January 22, 2010