1.It is a man or a woman who believe by doing self sacrifice in a battle to kill many will take them to heaven so they can have sexual relations with 72 virgins.

2. An retard who kills himself for idiotic reason.

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)