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A thick, sticky, dark brown substance with putrid ripe stench oftentimes found within the area between a person's asshole and genitals.
Holy fuck, what smells like a decaying corpus?" "Off courrsee it's the Grundle Tar stuck to Horvach's gooch!!!
by D. P. Dot Dirtbag October 03, 2010
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A thick, sticky, dark brown substance with putrid ripe stench oftentimes found within the area between a person's asshole and genitals.
Holy fuck, what smells like a decaying corpus?....Off courrsee it's the Grundle Tar stuck to Horvach's gooch!!!
by D. P. Dot Dirtbag October 03, 2010
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Get a Grundle Tar mug for your guy Nathalie.