A sound made whilst fucking on a tiled or lino bathroom floor. After just exiting the shower/bath so bodies and floor are wet, most likely during cowgirl position as males back will be hard against the floor and as the motion moves up and down air escapes from the skin and water on the floor causing a horrific swamp monster noise.
How was the sex yesterday?
Dave made a swamp monster whilst I was riding him!
by Swamp Monster 69 January 19, 2022
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When taking a dump, a swamp monster is when you have diarrhea with the exception of one large turd. The turd then lurks beneath your brown-green diarrhea as a swamp monster would in a swamp.
guy one: dude i had a major swamp monster today!

guy two: nuh uh dude thats sick! did you name it?

guy one: yeah..shitzilla
by leemo20 September 5, 2009
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Someone so hideous that they should be banished to the sewers along with their parents who should not have brought such a monsterocity into the world and should of at least killed the child when they realised what a horrific freak of nature they were/are. If disease were a physical being, this is what they would look like.
The people working at checkout in tesco,
Phrases: ''She was a genuine swamp monster i have never seen anyone so vile''
by Charlie Finn September 17, 2007
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A person who likes sweaty, musty, crotch on a person they are having sex with.
Don't shower before your date tonight, Mike is a swamp monster.
by Dave720 May 13, 2016
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An alcoholic beverage consisting of two thirds rum, usually Captain Morgan's, and one third creek water, preferably of the brackish variety.
Tommy puked his guts out after finishing his Swamp Monster
by S-Chow August 12, 2006
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A person who works in a harsh environment from the comfort of an air conditioned office (in old days = evaporative Air Con = “swampy” AC) making operational decisions for those toiling in the field... Usually exemplified by body mass.
“What does he/she know about doing this job safely and efficiently? ... that hideous swamp monster hasn’t taken a step from behind their desk in years other to grab another cupcake
by Sossburger January 28, 2020
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