Rim rash

The resultant effect of cups stacked within each other causing friction abrasion

Your glass isn't dirty, it's just got some rim rash

by Sirslacker July 20, 2022

Slash rash

When ur but plug stretches ur ass wayyyyyyy toooooo much and it makes u uncontrollably shit and poopoo urself

Bro I was trying to squat but I have slash rash and I shit myself half way through my leg day omfg

by anonymous April 28, 2023

Mental Rash

The raw mental state created from repeated exposure to unfavorable conditions, as often happens when you dislike your job.
Also, the unfavorable condition itself that causes such a state.

I'm so glad I quit my job today, it's been leaving me with a severe mental rash.
or
I hate my job so much. It's nothing but a mental rash

by Dave-Landon October 23, 2016

Stash Rash

A rash obtained by two men with mustaches aggressively making out.

Pete and Lucas both got stash rash after class.

by 500ToothDinasar March 2, 2023

Wank Rash

Red patches that appear on ones chest after a vigorous wank. Occurs to excessive wankers.

Jack: “Lads, I was beating my meat last night, looked down, should’ve seen THE STATE of my wank rash!”
Ben: “I get that all the time, I love tugging myself!”

by skinnotheskank May 20, 2022

capsicum rash

when you get pepper sprayed in the balls and develop a rash

"oh no i got capsicum rash"

by fullcreammilk October 16, 2016

Road rash

Chafing, redness, bumps or rash on a woman between the thigh and labia

"Man, the road rash on my rumble strip is killing me!"

by Rumble bitch August 3, 2012