This is a typical Mcdonald's burger and its special ingredient is a rib of some sort. Ribs of different kinds of animals (humans) are used most of the time.
Ronald Mcdonald: Do you like the McRib?
Child: Is that a new burger?
Ronald Mcdonald: Do you like the McRib?
Child: Um...I haven't trie....
Ronald Mcdonald: DO YOU LIKE THE MCRIB?
Ronald Mcdonald: DO YOU LIKE THE MCRIB?
Ronald Mcdonald: DO YOU LIKE THE MCRIB?
(verb) To be tempted to engage in a fast, messy, momentarily gratifying encounter with a sporadic visitor who is in town for a short time. To cause someone to consider a sexual opportunity primarily because of its limited availability.
Dude, why'd you hook up with that one girl who transferred?
I dunno. She said she was only back for the weekend, and that she didn't know if she'd ever be here again after that. I couldn't resist.