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A panda walks into a bar and orders a sandwich. After enjoying his meal, the panda stands to leave, but then shoots the waiter and walks toward the door. The astonished owner of the pub says "Panda, why did you shoot my waiter?" The panda replies simply, "I'm a panda, look it up."
The thunderstruck owner grabs his handy-dandy dictionary and reads: "Panda: a mammal native to Asia. Eats, shoots, and leaves."
Explain to me why this joke is funny.
The comma denotes that the panda must first eat his food, then shoot someone, and then leave the pub. What the dictionary should have said was that pandas eat shoots and leaves (as in the things that grow on a plant).
Misplaced commas--very funny!