The act of urinating on a woman's head, effectively drenching the hair, and then proceeding to have the woman give the man a blowjob whilst her wet hair is draped in front of her face, ergo dirty curtain.
by xXxDolphinClubber69 February 12, 2012
A male with long hair lies on his back on his bed with his hair hanging to the floor. The female lays exposed on the floor and let's his hair tickle her beaver.
by Ballislyfe May 1, 2015
We were just about to have sex so I went down to check out the merchandise but all I found was a dirty beef curtain.
by Ms. Roxx January 2, 2004
When a womans labia of the vagina are so beat up and nasty looking, it resembles that of dirty meat.
by SD5254 October 21, 2008