Fan Status refers to one's dedication to a team or band. It usually means that one is willing to perform oral sex with said team or band but can mean full-on intercourse and or other sexual favors.
Kelly B. achieved full-on fan status on her knees with the lead singer!
Fan Status is a perceived standing in reference to a rock band or professional sports team. The achievement of fan status is defined by a willingness to perform oral sex (or other sexual acts up to and including intercourse) with the members of the band or team.
She had bragged about her fan status but Kelly really proved it on the tour bus last night!