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Crack sweat

The itchy, annoying, smelly, totally unnecessary sweat that builds up in your asscrack, just above your asshole (where you'd grow a tail if you had one) - usually on hot days, or after strenuous physical exercise - or all the time on fat people.
I wish they'd come up with an anti-perspirant specifically for crack sweat!
Crack sweat by Kalisiin March 12, 2011

crack sweat

(n.) The sweat that forms in the asscrack after a sustained period of strenuous physical activity, like running in the summer with three pairs of sweatpants and three layers of coats on in Taiwan. Also can be the sweat that forms in your butthole due to an intense masturbation session or from being horny for an excessive amount of time.
After playing an intense game of squash, my shorts were drenched in crack sweat. Most unpleasant.

Michelle made me so horny and hot inside that crack sweat started to form in my bunkhole.
crack sweat by papermachete December 28, 2005

The 'crack sweat' theorem

Theory identifying the cause of a consistent, vague odour of fecal matter i.e. absolute shit, in some.
The theory states: initially, said person, has failed to properly wipe their crack fully, thus leaving remnants of shit (dingleberries). With strenuous activity and/ or heat, sweat develops within the ass crack. This sweat mixes with the now encrusted and dried fecal matter, bringing it back to life, creating a noxious fume- comparable to shitting your pants.

Proposed in 2006.
Turdpreet: 'Yo, geeza, I swear i can smell shit ya' know; like full on shit!'

Shitinderpal: 'Yeh geez, me too. I smell it all the time in this lesson, it's probably (insert name here), 'cus he's so fat- he properly can't wipe his arse properly!'

Turdepreet: 'Oh yeah, that's a good point, that ties in nicely with the 'crack sweat' theorem (2006). That explains it!'

Shitinderpal: 'Oi (insert name here) you fat twat, go wipe your bumhole son, you need some bleach in there, smells like hardcore shit!'

Sweaty Crack Fart

When your butt crack has obtained enough moisture, from sweat or other causes, and you experience Flatulence. It is the vibrant reaction of your cheeks and moisture combined together that simulate a sound that one has shit themselves.
Jeremy: *experiences Flatulence*

Miranda: Hey, Did you just shit yourself?

Jeremy: what? Sorry no I was outside a minute ago, that was just a Sweaty Crack Fart.
Sweaty Crack Fart by Kspice Daddy September 7, 2025

SBC aka sweaty butt crack 

When your outside and its so hot u have sweat running down the crack of your ass SBC aka sweaty butt crack.
I was on a date the other afternoon at the park and had some serious SBC aka sweaty butt crack going on and was freaked out she would notice!

sweating like a fat girl's crack 

To describe profuse sweating
Man, I had the tds at work yesterday and was sweating like a fat girl's crack