Tell your friend that you would like to play a game:

See who can flirt better, and whichever one of you he asks out first wins!!!

If she loses fair and square, then she has no right to be angry. If she really likes the guy, then she'll be happy to know that he's happy with you, a friend, instead of somebody lousy!

Or, if you're no good at flirting, the best way to get a man's attention is to mudwrestle in your underwear.
(SPOILER)Make her tear your top off.