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Swamp ass 

Swamp ass can occur during periods of intense physical activity. It is a condition where your ass becomes sweaty giving you the feeling that your ass is actually in a swamp. If not treated swamp ass can lead to a more serious condition called duck butter.
Man what a good workout, it gave me a mean case of swamp ass.
Swamp ass by HippoNipple June 13, 2008

Swamp Ass Slip-n-Slide 

When you do anal after a sweaty jog.
Man, that jog was exhilarating! I could really go for a swamp ass slip-n-slide right about now.

Third Degree Swamp Ass

Similar to swamp ass, except with a much more apparent effect. These effects include damp to soaking wet pants (mostly in the back and inner thigh areas), a drip or stream of sweat going down your leg or pant leg, inability to properly clench your ass cheeks due to the slippery skin shared between them.
"Dude, I'm slipping out of my seat right now."
"Why?"
"My pants are drenched from my Third Degree Swamp Ass."

"That woman's water just burst or she is leaving a sweat trail due to Third Degree Swamp Ass."

"Oh man, do you smell anything?"
"What the hell is that?"
"Sorry I have Third Degree Swamp Ass and can't hold in my gas."

swamp ass 

A common condition in which the ass crack and crotch becomes overly moist, sweaty, and stinky from one or all of the following:
- sweating on a hot day
- not bathing enough
- long day of work, sports, play
- incomplete wipe due to rush or laziness

The crack will often feel squishy, wet, unpleasant, and itchy. It is recommended to take a bath with soap to sanitize the condition.
Example:

After a long day of moving furniture. "I need to go home and take a shower before I get swamp ass."
swamp ass by Ragdolly August 3, 2005

swamp ass 

A condition in which anogenital sweat intermingles with remnant fecal matter, overgrowing anal flora, and sloughed skin cells, producing intense bioactive fumes that may offend anyone.
"The bus rider wore unclean sweat pants and stank of swamp ass."
swamp ass by TurkeyOnRye June 13, 2016

Swamp ass 

1. The warm, moist feeling of one's ass from sitting for an extended period of time.

Swamp ass, in association with lengthy road trips, is usually accompanied by the smell of stale french fries that fell into your crotch that you failed to notice.
joe: let's go to the bar and pick up chicks

jimmy: ok, but lets take your car, mine smells like total swamp ass.
Swamp ass by G-busey September 1, 2009
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anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
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square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
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"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

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"You're such a Bunhead."

"Yeah... I know."
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trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
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Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
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