Ass Tar

A combination of thick shit and sweat compounded into one's butt crack.
John held his poop in all day, therefore creating Ass Tar.
by Kekfjjtkf January 06, 2017
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Ass tar

The sticky, unyielding, slow moving, and clingy eradication of Thanksgiving dinner, usually encountered the following day.
Man I ate so much turkey, stuffing, and gravy that I had some nasty ass tar the next day.
by scythe74 November 24, 2018
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