penis rash 

when you penis becomes purple like thanos

that man has a penis rash

penis rash by Elijah Rodriguez February 5, 2019

mr.rash 

A big doo doo who gives kids rashes

Wow mr.rash is a dickwhole

mr.rash by Beatieboissss February 13, 2019

Kissers rash 

When you get a rash or break out from a hook up

Girl 1: what’s on ur face
Girl 2: ugh just kissers rash
Girl 1: ohhh who’d u get with

Kissers rash by Scank bitch November 11, 2019

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!”

Wank Rash by skinnotheskank May 20, 2022

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

Rim rash by Sirslacker July 20, 2022

Briggsy Rash 

When one cannot maintain an erection and proceeds to use his tongue to get the job done, licking the oposite sex in the rectum. A Briggsy Rash usually develops the morning after said sexual encounters.

"I was with this bird last night and couldn't get a hard on. Had to lick her out instead and ended up rimming her. Got a right Briggsy Rash this morning."

Briggsy Rash by DaveDaveTwoPump September 28, 2022

Stash Rash 

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

Pete and Lucas both got stash rash after class.

Stash Rash by 500ToothDinasar March 2, 2023