A word made by Reddit virgins to prevent people (most commonly men) from treating women like shit
You complimented her dress? What a simp
A person who just doesn't have much horsepower between the ears.
Person 1: That guy says that he is a very stable genius.
Person 2: Nah, he's just a simp
When someone will do anything and everything for a girl
James Massey is such a simp he dumped his girlfriend because Beth is single