the prominent lips or labia minora of a woman's vulva especially the kind which protrude beyond the outer lips such as to form a set of fleshy windowcurtains around her vagina. Also called batwings after the style of old fashioned Western Saloon doors seen in cowboy movies.
The porn starlet spread her beefcurtains to take on the well-hung stud.
a slanderizing of female genetillia referring to the curtian like appearance of the labia (majora). the "beef" comes from the flesyness of the vagina, meat is also used as a casual refrence to male genetillia "beat your meat".