Royal Beef Curtain
A sexual act in which one male and one shemale have sexual relations where the male focuses his sexual aggression on the area upon the shemale where the absent beef curtain is believed to exist.
"Wow dude. That shemale was hot last night, but was she hot enough to let you give her the old royal beef curtain????"
"Yeah, I bought her a one way ticket to beef town and hitchhiked all the way there on her shemale skin flute."
"Yeah, I bought her a one way ticket to beef town and hitchhiked all the way there on her shemale skin flute."