1. a small tuft of hair surrounding the anus that resembles a skirt
2. Incomplete Brasilian bikini wax
"I was going down on this chick last night and looked down from her cooch only to find an ass skirt below. She needs to spend mo' money on her wax job."
When the girl your sleeping with takes your shirt and puts it under her ass while your fucking in hopes of no leaving evidence on her relatives, boyfriend, or sisters bed.
When some resigns or retires from a job, they are on "eternity leave". This can also refer to someone who has passed away, especially someone who worked somewhere for a long time, retired/resigned, then passed away later.
Oh I'm sorry, you didn't know that Kelly is on eternity leave? She resigned and moved to Hawaii!
With regrets I would like to inform you that my boss is officially on eternity leave. I will never see or hear them again. Ever.