Used to describe someone who is hotter than hot. From Chris Lilley's show Ja'mie: Private School Girl
"OMG, Hugo is so quiche."
"I really wish that I had a quiche girlfriend like Izzy"
To be distracted and/or consumed by any pleasurable and complex experience, such as the act of making and eating an egg bake (quiche).
Don't wait for Ron before you start the movie, he's quiching in the kitchen.
Someone who is the next level of hotness, one of the main measures of quicheness in a girl is her 'box gap'. Such as in Ja'mie private school girl.
OH MY GOD that quy is so totally quiche
Used to describe people that are frequently late for meetings
Argh, Nigel is late again. He's such a quiche