A blind man enters a Ladies' Bar by mistake. 
He finds his way to a bar stool and orders a drink. After sitting there for a while, he yells to the bartender: "Hey, you wanna hear a blonde joke?" 

The bar immediately becomes absolutely quiet. In a very deep, husky voice, the woman next to him says: "Before you tell that joke, you should know something: 

[1] The bartender is blonde. 
[2] The bouncer is blonde. 
[3] I'm a 6 feet tall, 200 lb blonde with a black belt in karate. 
[4] The woman sitting next to me is blonde, she is a weightlifter, and 
[5] the lady to your right is a blonde and a pro wrestler. 

Think about it seriously, Mister. You still wanna tell that joke?" 

The blind guy says: "Nah,... not if I'm gonna have to explain it five times..."