A blonde walked up to a coke machine, put in a dollar, and got out a coke. She then put in another dollar, and got another coke. Again and again, she put in more and more dollars and got out more and more cokes.
As she was doing this, a man came and stood behind her. he tapped her on her shoulder, and said "What on earth are you doing?"
She replied angrily " Shut up! Cant you see im winning?!" Full text

A blonde, a brunette, and a redhead all went into the ObGyn office together. When they met after their check-ups, the redhead was smilling, and the brunette asked her why. "I'm going to have a baby boy," the redhead replied.
"How do you know?" asked the blonde.
"Because I was on top."
This got the brunette thinking, and she smiled as well. "I'm having a girl!" she exclaimed. Again the blonde asked how she knew. "I was on bottom," said the brunette.
The blonde started bawling. ... Full text