This joke was told to me by a nine-year-old girl, so hopefully I won't have to explain it:
A woman sits down on a bar stool in an agitated state and says, "Tenderbar, tenderbar, give me a tinimar! I have terrible burnheart!"
The confused bartender replies, "Excuse me?"
The woman repeats, "Tenderbar, tenderbar, give me a tinimar! I have terrible burnheart!"
Th bartender frowns and asks, "One more time, please?"
The woman repeats again, "Tenderbar, tenderbar, give me a tinimar! I have terrible burnheart!"
The bartender takes a deep breath. "First, I'm not a tenderbar; I'm a bartender. Second, it's not a tinimar; it's a martini. And third, you don't have terrible burnheart; your boobs are in the ash tray."