What is the similarity between a dolphin and a man? 
They are both said to be intelligent, but no one can prove this. 

What is the similarity between a microwave oven and a man? 
They both get hot in about 15 seconds. 

What is the similarity between a shrimp and a man? 
You can enjoy all but the head. 

Why is a man's brain the size of a peanut? 
Because it is swollen. 

Why does it take one million sperm to fertilise one egg? 
Because sperm are male and they refuse to ask directions. 

Why are men like the letter Q? 
Because they are both a big fat zero with a small protrusion.