- This is generally only experienced by the overweight and slightly-overweight people. chub-rub is a heat rash in the inner-thigh/arse/crotch region caused by the friction and sweat produced by walking or running in the heat.Hurts like a bitch, but that's what you get for having tree-trunks for legs.
I can't go out to Sweetwaters with my friends tonight because i have a severe case of chub-rub and I can't walk!
Dictionary of american slang with examples. .
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Mojave Desert — For the indigenous American tribe, see Mohave people. For other uses, see Mohave (disambiguation). Coordinates: 35°0.5′N 115°28.5′W / 35.0083°N 115.475°W … Wikipedia