- chub-rub
- 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. .