OK, here's another dirty one for you...
You know the one for the TCA cycle; "Cindy is Kinky So She Fornicates More Often"?
How about this for the Urea Cycle: "Can Cindy's As* Also Fornicate, Also Urinate Or nothing?"
Carbamoyl, Citrulline, Aspartate, Argininosuccinate, Fumarate, Arginine, Urea and Ornithine.