The term used to describe a woman's labia where the outer lips are very dark - nearing purple / black while the inner lips are bright pink. Thus looking just like a slice of Pastrami.
The old bitch had the worst pastrami flaps I've every seen!
by NoFussRuss June 22, 2006
Another term for saggy pussy lips, synonomous with the ever-popular phrase "beef curtains".
Sara had such big pastrami flaps that when she walked they made a clapping sound.
by mikef91 July 21, 2005
Low term for a womans vaginal lips.
"Damn bitch! Those are some nasty fuckin pastrami flaps!"
by Danno March 21, 2005