Laughteritis 

When you keep laughing hysterically and cannot stop.

Person 1: hahahahahahah

Person 2: hahahahahahah

Person 1: hahaha I hahaha think hahahaha we hahahahah have hahahah laughteritis hahahaha

Person 2: hahahah yeah hahahah I hahahah think hahaha so hahahahhahahahahaha

Laughteritis by localgerl21 April 22, 2009

Laurgheritis 

(Pronounced law-for-eye-tis)
Disease whereby the diseased will begin to laugh with no reason and struggle to stop. Symptoms can randomly occur at anytime, anyplace. May or may not be contagious.

"Why won't she stop laughing?"
"She's got a serious case of Laurgheritis"

Laurgheritis by DoctorFunny December 12, 2013

Lighteritis 

Extreme thumb pain from continuous Lighter flicking

man I think I’m coming down with lighteritis I be flickin my bic go much.

Lighteritis by Cumguzzling gutter slut November 19, 2018