1 definition by Otakuboy123456789
Jemma-itis is a serious disease of laughter where you slowly die from laughter, starting with pain in the face and abdomen then on the throat slowly suffocating away until death. Cause is overly funny friend or some that laughs aat anything and everything.
(someone laughing really hard) Oh-no she/he got a case of Jemma-itis! Get away from him/her you die from laughter!
by Otakuboy123456789 August 22, 2018