Top definition
When you have sexual intercourse and your too dry going in but keep going in anyways creating a rash on your dick.
Damn, look at that rash on Steve's dick, he must have rub rash.
by Boo The Guru October 02, 2016
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2
When you are masturbating for an extended period of time with any lubricants, developing either a rash or lacerations around and on your crotch
Dam I cant walk straight cause last night I was sent some hot nudes and jacked off all night! Even though I had no lube! Now I got a RUB RASH!
by LatelyDrowsy January 18, 2018
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