Sex Monster 

a very horny,ugly ass beast that is very human like in physical form. It has a vagina, penis and breasts so that it can fuck anyone that it wants to. Many that have been fucked by this type of monster have reported receiving sexually transmitted diseases. These monsters are believed to be invincible as no one has found its weakness. Because of this and the fact that they can chase down cars, they will catch you. Running away will only cost you your life and they will just fuck your dead body. It is believed that they live solely off of fucking.

I just got fucked by a sex monster and now I have HIV

Sex Monster by Shit Goose January 23, 2011

sex monster 

1. a person who has sex a lot
2. a beast who has sex with other beasts

1. i am definitely a sex monster
2. wow, look at that sex monster, hollerrr

sex monster by ayla roman April 25, 2010

Flying Sex Monster 

A beast with wings that flies around grabbing people and taking them to his sex nest, where he rapes them so hard that they die, and then lays their body on someone's front porch to lure out some of its victims. These are generally found in the U.S. and are born from the invisible eggs that come from ejected semen.

Jim: Hey, what happened to Susie?
John: Oh didn't you hear? She was taken by the Flying Sex Monster!

Flying Sex Monster by frenchfrypapa February 23, 2014

seamonster 

A single turd so long that, when sitting in the bottom of the toilet, it appears as a mythical sea serpeant sticking its head out of the water.

"I was so constipated the last few days, I finally birthed this huge seamonster."

seamonster by ColonGrl September 10, 2009

Sexmonster 

The sexiest, cutest, sweetest, most loving guy in the whole entire UNIVERSE.

My Smitty is such a sexmonster!
That other kid doesn't even qualify for a sexmonster!

Sexmonster by Aubry September 17, 2005

Seamonster 

A ridicuously massive shlong. Must be at least 7 inches flacid

Did you hear about that kid on the hockey team?
Yeah, i heard his seamonster was 10 inches flacid

Seamonster by Mushroom Mike April 24, 2011

seamonster 

A person who plays Counter-Strike and is loved by not too many.

Brother of Conifist

Hey, Seamonster, how come you get so many HS?

seamonster by Seamonster May 2, 2004