very clean humor-not

What's about 6 inches long, has a vein running down it, and women
love to get their hands on? answer-a $100 bill
What goes in hard and solid then comes out soft and sticky?answer-bubble gum
When I go in I cause pain. I cause you to spit and ask you not
to swallow. I can fill your hole. answer- a dentist
What does a man do standing up, a woman do sitting down, and a
dog does on three legs? answer-shake hands