The term was coined by the author Maki Fukasawa, who initially intended for it to describe a new form of masculinity that was not reliant on the proactivity and assertiveness typically associated with masculinity in Japan. Philosopher
Masahiro Morioka defines herbivore men as "kind and gentle men who, without being bound by manliness, do not pursue romantic relationships voraciously and have no aptitude for being hurt or hurting others."