when a dart player is unable to release a dart from his/her hand when trying tothrow it, through fear of missing
An English dart player called Walsh had dartitis for two years but recovered to compete in the 2008 World Darts Championship at Alexandra Palace London
A person who feels the need to constantly be in a relationship or to be dating another person. This relationship/ dating usually ends after the honeymoon phase ends
"Did you hear Nicole is dating John?" "I heard, but didn't she just break up with Phillip?" "Yeah dude, that chick is a serial datist!"