A mostly drunk, blind guy in a bar, shouts to the bartender, "hey, my man... sh'wanna hear a joke?"
"Okay, why not?"
"Issh a blonde joke."
The guy sitting next to the would be jokster, leans over and whispers, "You should know, the bartender is blonde, the bouncer is blonde. I'm a 6 foot black belt in karate blonde, and the guy over there, is a professional football linebacker, also blonde. And the dude playing pool, is a championship wrestler, and blonde. You still wanna tell that blonde joke?"
"Well... naaah. I do'wanna haff'ta hexplaine it like five times."