There was a competition to cross the English channel doing only the breaststroke, and the three women who entered the race were a brunette, a redhead and a blonde.
After approximately 14 hours, the brunette staggered up on the shore and was declared the fastest. About 40 minutes later, the redhead crawled up on the shore and was declared the second place finisher.
Nearly 4 hours after that, the blonde finally came ashore and promptly collapsed in front of the worried ... Full text

Last year I replaced all the windows in my house with those expensive double-pane energy-efficient kind.
Yesterday, I got a call from the contractor who installed them. He was complaining that the windows had been installed a whole year ago and I hadn't paid for them yet.
Now just because I'm blonde doesn't mean that I am automatically stupid. So I told him just exactly what his fast-talking sales guy had told ME last year... namely, that in just ONE YEAR these windows would pay ... Full text