Mattitis
When Someone Doesn't have their medication making them hyper; When Someone has no Ya yo and starts to get psycho; When someone turns unbeleivably gay.
Man, don't you go catchin Mattitis on me bitch!
Mattitie
A word made up by two spontaneous girls dalanee and brooklyana and is a nick name for mattia polibio
Look at Mattitie over there he is so cool