Just say NO.

Men, can't take no for an answer. Women are more likely to accept being turned down, but will slowly walk away, weeping, pondering night after night- but why, what's wrong with me? Meanwhile, that man in the Armani shirt with the reddish-blondish hair, is still trying to pursue you. No is no, people. There are plenty of other fish....in the sea? Exactly.

Note to self: It might take a kick in the eye for a man to realize that you're not interested.