1) GTFOML; an acronym for "get the fuck off my lawn!" This saying originated by retired grandparents who were tired of having the neighborhood hoodlums tramble around their carefully tended lawns. It's now widely used by nerds
everywhere who want to tell other people to get away.
2) GTFOML; an acronym for "get the fuck outta my life" which is commonly used by angsty teenagers
who are sick of people (friends, family, teachers, police) bringing them down with rules and morals. People use it when they want to tell someone to leave them alone and exit out of their life.