The act of leaving an annyoing person/group before you shoot yourself.
To Fan It
He Fanned It
People will not usualy no what you mean at first when you say you have to Fan It, but after they look it up they will understand and hopefuly change there ways.
"Hey Mark where are you going? My dog just died"
reply "sorry dude i gotta Fan It"
"Look at that guy, he just Fanned It on that annyoing chick... nice"
"Man these people r messed, we gotta Fan It soon"