1) What's the difference between a bull and a cow?
A: A bull usually smiles when you milk it.
2) What's the difference between a rotwieler and a poodle?
A: If a rotwieler starts humping your leg you let it finish.
3) What's the difference between mechanical engineers and civil engineers?
A: Mechanical engineers build weapons, Civil engineers build targets!
4) What is the difference between a Harley Davidson and a Hoover?
A: The position of the dirt bag
5) What's the difference between a girlfriend and a wife?
A: Approximately 45 lbs.
6) What's the difference between a boyfriend and a husband?
A: Usually about 45 minutes
7) What's the difference between a catfish and a lawyer?
A: One is a bottom dwelling scum sucker, and the other is a fish.
8) What's the difference between a politician and a bucket of poo?
A: The bucket.
9) What's the difference between a pregnant woman and a light bulb?
A: You can unscrew a light-bulb.
10) What is the difference between a bachelor and a married man?
A: A bachelor comes home, sees what's in the refrigerator, goes to bed - A married man comes home, sees what's in the bed, and goes to the refrigerator.
11) What's the difference between Elvis Presley and Ed Miliband?
A: Elvis has been sighted!
12) What is the difference between a David Cameron and a sperm cell?
A: At least the sperm has a 1 in 600 million chance at becoming a human being.