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

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

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”

by Trent R. Glass July 17, 2021

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.

by emknott1 December 11, 2011

rash stash

This is a crust around the mustache / beard area caused by dried on snatch (aka vagina) secretions.

Our co-worker came to work again today with a bad case of rash stash.

by Craig Werner April 15, 2008

gentleman's rash

The painful areas of skin at the top of your inner leg, arse cheeks and scrotum which develop after working a busy shift in a warm environment: chefs arse

Diner: Excuse me waiter are you having trouble walking?
Waiter: Piss off, I've done a 14 hour shift and my gentleman's rash is killing me!

by Rellie August 3, 2007

Choad Rash

The rash that forms on the choadal region caused from the constant slapping and rubbing of sweaty balls.

Bruce gave Elton Choad Rash from the hour long ass pounding in the sauna.

by Tainted Choad September 8, 2007