A blind man walks into a bar and says to the barmaid: "I've got a really good blonde joke for you." The barmaid says to him: "Excuse me, I'm a 6ft blonde rugby player, the woman behind you is a blonde shot-putter, and the woman next to you is a blonde bodybuilder. Do you still want to tell that joke?" The blind man thinks for a second, shakes his head, then says: "No, not if I'm going to have to explain it three times.
