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

Slash rash by anonymous April 28, 2023

Wiper Rash 

1. A chafed butthole from wiping with inferior toilet paper. 2. Wiping several times in one day and not taking a shower for a couple of days.

That shitty gas station toilet paper gave me wiper rash!

Wiper Rash by Mikethego2guy September 12, 2023

Sailor’s Rash 

The indigestion caused by throat friction and the ingestion of too much seamen.

Dave: I have a sore throat after last nights party.

Rick: Bob dropped an anchor in my throat We. have the Sailor’s Rash.

Sailor’s Rash by DickIsMyMiddleName January 26, 2018

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!"

Road rash by Rumble bitch August 3, 2012

lava rash 

1)Irritation to the ass cheeks and hole due to wiping so much from an extended and violent bout of diarrhea.

2)The everlasting burning sensation one feels due to shitting after eating extremely spicy foods.

1) After having the squirts this morning I've got the worst lava rash. I must have used an entire roll of toilet paper!

2) Man, Ben is going to have lava rash for days after eating all that spicy indian food!

lava rash by yoderdude June 25, 2008

road rash

The automotive equivalent of snowburn. Also a popular Electronic Arts videogame from the mid-1990s on the Sega Megadrive.

I was playing Road Rash the other day, then I went out to do the same on my motorbike, and got road rash.

road rash by l337 haxx0r March 27, 2004

fanny rash 

Saw or Tenderness around the vaginal region. Usaully red with raised weeping sores. Sometimes called gonhorrea.

"Ow" she screamed, "you poked my fanny rash!!"

fanny rash by Scottow July 23, 2005