Great Dane

A man goes to a bar and he ties his Great Dane up outside. About 10 minutes later a lady comes in and asks who's Great Dane is outside. "Mine" says the man. "My dog has just killed him," she says. "What breed is your dog?" he asks. "A Chihuahua," she says. "How can a Chihuahua kill a Great Dane?" "He got caught in his throat!"

Problem with a dog

Police officer: Excuse me, but your dog has been chasing a man on his bicycle.
Dog owner: Are you crazy? My dog can't even ride a bicycle.

Meaner Than a Pitbull

Q:  What's meaner than a pit bull with herpes?
A: The guy who gave it to him.