Bags of Money
Mr. Anderson goes to see his doctor feeling a bit unwell. The doctor checks him over and eventually finds a couple bags of money up his ass. He pulls them out and can't resist totaling up the value of the find.
"Well," says Dr. Lieberman, "I've found $1999.99 up your tuchus."
"Hmmm," replies the patient, "that would explain why I've not been feeling too grand..."