The condition of having extremely loose labia achieving the appearance of auditorium drapes.

See also "Wizard Sleeve"
I was taken aback by her school play curtain once I got into her pants
by Umrka July 26, 2009
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A very, VERY loose vagina.
That drunk chick I banged last night had a high school play curtain! It was gross!
by MrYinny May 23, 2008
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