A lazy person who hangs around during setup or soundcheck for a gig and doesn't do anything useful. A backstage hanger-on. Originally British rock and roll slang.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

Music slang. Origin obscure, but has been in use since the 1970's

A person who blags their way into parties, or back stage at music events just to get free food and drinks, and to bore their friends stupid with stories of 'how they met David Coverdale,' or 'hung out with members of Led Zeppelin.

Derogatory description of an individual who enjoys partaking in long sessions of the Multiplayer Online Battle Arena (MOBA) known as League of Legends.

A racail slur for a left handed person, they often smell bad