the smell procured when one sits for an extended period of time, heating the ass area up to inferno-level temperatures, thus creating a concentrated ass smell in the area, often mistaken for a terrifyingly horrible fart.
"Man, after watching that six-and-a-half hour long Lord of the Rings film, I have some major hot ass."

"Todd just stood up after the Rob and Big marathon and let loose some terrible hot ass. It just about murdered me."
by jccroft August 3, 2009
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A most horrible horrible smell.
Or
Like the smell of a hot sweaty ass that has not showered in 4 days.
Goodness your breath smells like hot ass!!
by Melanie January 10, 2004
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is experienced after eating a lot of mexican food
Holy shit those enchiladas gave me a hot ass! Hot going in, hot coming out!
by deliverance April 25, 2003
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when your ass cheeks start slippin and slidin as you walk. this is caused due to sweat build up in the hallway. usually accompanied by a strong stench of ass.
Damn, I wore jeans to go play ball today and now I got hot ass. Or, I was horny as fuck until I pulled her panties down and could tell she was suffering from a bad case of hot ass.
by arostotl December 10, 2007
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What you get when you decide to hold a match up to your asscrack, you've eaten a lot of beans and cabbage, and you decide to fart.
HOLY FUCK! That there hot ass burned down my house!
by HZ February 15, 2004
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Something that is ass but you need to emphasize how horrible it is
Yo nigga this song is “hot ass
by BenShapiroEpic123 February 24, 2019
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