manpanion

(noun.) - The male companion of a woman friend
sample quote of current use

"Last December, my male companion (can I say manpanion?) took me to a
performance of the New York City Ballet's "The Nutcracker "as an early
Christmas gift. I had a great time, too!"

-- heard at a watercooler in Brooklyn on January 3, 2012

''hat tip'' to Erin Gloria Ryan in Chicago via Jezebel