buckle rash

the damage to the back of a guitar caused by a belt buckle

that's a good looking guitar, but look at the buckle rash.

by pablo 2 January 23, 2013

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.

by Antenna Wilde February 21, 2008

trash rash

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

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

by TheDukeOfPuke January 5, 2007

Rash Nut

When the nut comes out rash.

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

"Damn thats gonna be one rash nut."

by That guy to your left February 1, 2017

poke rash

when a poke war on facebook goes on forever and the poker keeps poking you

Damnnnnnn, this poke war is causing me a poke rash.

by fishf00d123 December 26, 2010

Ham Rash

When your having sex doggy style, and the rubbing of sweaty hairy legs creates a rash.

He was cute, but he gave her ham rash.

by Mcwhit April 23, 2021

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

by Crosswell Student March 2, 2010