Butts disease 

A rare but super contagious disease that spreads from birth.
If your parents had a butt then you unfortunately are a carrier for Butts disease.

Some symptoms include a rash and an irrational fear of the cold.

"what's this itchy rash from?"
"oh shit, I think you have butts disease!"
"damn. That explains the butt"

Butts disease by Dr. Butt Observer May 9, 2019

Butts disease 

A rare but super contagious disease that spreads from birth.
If your parents had a butt then you unfortunately are a carrier for Butts disease.

Some symptoms include a rash and an irrational fear of the cold.

"what's this itchy rash from?"
"oh shit, I think you have butts disease!"
"damn. That explains the butt"

Butts disease by Dr. Butt Observer May 9, 2019

Gau Butt Disease 

A chronic disease which causes you to poop and not realize it.

Jeff has the Gau butt disease

Gau Butt Disease by Salmon juuls May 19, 2019

Dutch Butt Disease 

Insensitive Michigan slang for a genetic disposition of women with ancestors from the Netherlands towards posterior adiposity (a fat ass).

Yikes, They better start crop-dusting for Dutch Butt Disease or there won't be any seats left on the buses.

Dutch Butt Disease by Mitch Gander January 19, 2005

Wet butt disease 

What you get when you try to sit on a toilet with its seat raised, and so you end up falling into the bowl and getting your butt wet with dirty toilet water.

Damn it! You forgot to lower the toilet seat when you were finished! Now I've caught the wet butt disease!

Wet butt disease by Vinderex September 7, 2021

Bi-Polar Butt Disease

A case in which you have very smelly farts sometimes uncontrollably expelling from your anus, but you ate nothing to provoke such an occurrence.

Dude Ian has major Bi-Polar Butt Disease this evening.

Bi-Polar Butt Disease by Guitargod10940 April 12, 2009

Dutch Butt Disease 

A bad case of gas, indigestion, or diarrhea that can attack people of anglo-dutch ancestry

Girl: I don't feel like doing anything sexual tonight; I ate too much and I'm getting a bad case of dutch butt disease

Dutch Butt Disease by Joran van der Sloot March 10, 2008