Q: Why is diarrhea hereditary? A: It runs in your genes.

An old man and his wife went to the doctor's office. The doctor asked the man for a blood, urine and feces sample. The man was slightly deaf and said, "What?" The doctor said, "I need a blood, urine and feces sample." The man still looked puzzled, so his wife leaned over and yelled into his ear, "Sheldon, the doctor needs a pair of your underwear."

In the year 3000, animals rule the Earth; they talk and drive sportscars. An owl enters a psychologist's office. The psychologist says to the owl, "What is your problem?" The owl replies, "I always sleep at night and am awake during the day. I am an owl and we usually are awake during the night." The psychologist tells the owl to come back in two days to solve his problem, as he is very busy. The next night, a cat comes in. He says, "I always sleep during the day. Like my friends, I want to sleep during the night. Can you help?" The psychologist advises the cat to come back in one day ... read more

Take a squirt gun into the rest room stall next to someone and shoot little drops over the wall every couple of seconds while pretending to pee.

How do you embarrass an archaeologist? Give him a used tampon and ask him what period it came from.