Jerkitis

When a person ( usually a man) all of a sudden becomes a jerk.

when they do something extremely jerky which will case them to catch a case fo jerkitis.

by kimbo123 October 18, 2009

Muscle Jerkitis

When your dominant arm is more buff than your non dominant due to the effect of oftenly masturbating.

Man: "I swear, my left arm is strong, but it doesn't look like it compared to my right."
Man 2: "How often do you beat the meat? Sounds like a case of Muscle Jerkitis."

by Sid Phillips June 25, 2017

jerkitis

a disease contracted from spooning with a member of the opposite sex.

ex. Man, me and that chick ended up spooning last night and I think I caught the jerkitis.

by loserpenguin1234 December 8, 2013