The moistness that builds between your legs during long periods of sitting in a overly warm environment.
The drive to Vegas with no air conditioning was so long that I arrived with a bad case of swamp crotch.
by patri100ia March 8, 2016
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A condition endured by fat people who do not clean properly between their thighs and their pelvic area. The condition is exacerbated by hygienic neglect, heavy walking, and sloppy masturbating. Swamp crotch produces one of the worst smells known to mankind - maybe even the worst. Worse than burnt popcorn, Mexican food-induced flatulence, and a recently run-over skunk combined.
Shawn should wash between his legs in the shower more often. He's got a hellacious case of swamp crotch.
by roundthewheel October 30, 2006
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Stinky, saturated, hand cream, wax coated feeling in area beneath the testicles after 4 days without proper cleansing.

State of crotch when chanting "A marine can stand Anything!!" no longer is a viable way to fight a cold water shower.
I am impressed with his tolerance to swamp crotch.

Dude you stink, you got some swamp crotch goin' on in there?

by cachinga May 22, 2003
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When a girs private parts (crotch) smell like a swamp!
"Is it normal that my vagina smells like a swamp?"
by Lauren March 29, 2005
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When you sweat and the gooch area is as wet as a swamp.
Yo nigga I got the swamp crotch. Imma go take a shower!
by seabass72 January 29, 2010
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A mixture if un-kept hair and perspiration in between the legs. Smells of raccoon's asshole and sac-sweat. This vile substance that is spawned creates a large red rash sometimes puss filled, which causes the victim to walk as if they've unloaded a mass quantity of diarrhea in their pants. Unlike duck butter this condition is underwear ruining, usually identified by large battery acid-like holes that can sometimes reach the butthole area. Caused by thunder thighs and hot, humid environments. This condition is life ruining.
Did you smell the Louisiana Swamp Crotch in that golden corral? I puked all over out toothless waitress.
by CapGun July 1, 2011
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