Diphtheria 

An awful disease that causes the person affected by it to have trouble reading and often inhibits their ability to learn.

Dylan: Wow, man, did you hear Jeff has diphtheria?
Joey: Shit, that's tough. How's he gonna get through school?
Dylan: I don't know, man.
Dani: Let's just all be thankful he doesn't have dyslexia.

Diphtheria by Web MD Bitch June 10, 2011

Diphtheria 

an acute bacterial disease that usually affects the tonsils, throat, nose and/or skin. occurs from eating too many hot lunches

This pud in my class got Diphtheria because he loves hot lunches.

Diphtheria by There_Is_No_King May 7, 2004

diptheoria 

This is a condition that occurs when people have bogus theories on how something is and how something came to be.

June thinks eating semen makes her have magical powers, that is because she has diptheoria.

diptheoria by Nick's Fix February 17, 2008

diptheoria 

The disorder of being a "dip"

My friends say I have diptheoria.

diptheoria by SB May 26, 2004