rod rash

(noun. coined by Antenna)
1. The rash a man gets on the sides of his schlong when a woman has pussy brillo.

2. Rash on a rod from excessive fucking.

That broad I banged was just a quickie but her pussy brillo gave me rod rash.

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trash rash

An STD you get from a really trashy girl/guy.

Toothless Tammy blew me and now I've got the trash rash

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Johnny Rash

When you’re on the beach too long in wet bathing suit that rubs against your skin and causes you to develop a rash. Native to the southern jersey shore. Vive la resistance.

“Damn I got Johnny Rash (aKa JR) again from getting drunk with the circ on the beach and sitting in my wet bathing suit”

Rash the denom

Hip Slang used by math teachers for the algebraic property "rationalizing the denominator"

Dont worry Brittany, you dont have to extend any lines. Just Rash the Denom

Rash Nut

When the nut comes out rash.

"Yo dude this next nut finna be dumb thick."

"Damn thats gonna be one rash nut."

guido rash

A skin irritation received after one brushes against a sweaty over-cologned guido. Worst case occurrence during an outdoor party where the shirt is also removed and the stubbly chest is exposed.

Lauren was inflicted with guido rash after walking across the dance floor next to the hotel pool.

love rash

When you miss and love someone so you get a rash on your chest arms ect.

I got a love rash last night x