A woman with a handshake stronger than most men. Women with a manshake should not be crossed lightly, as they take no shit, and they probably have more balls than the average men. Women who have a manshake have great character, and are going places.
your friends awkward, often creepy and more times than not, inapropiate boyfriend. It's not that these gentlemen are intolerable individually but when with a large number of their girlfriends girlfriends, their "manshadow" qualities are more pronounced. Often the manshadow will only talk to/address significent other, giving him a more hollow persona, hence shadow. Usually uninvited.
(Linguistic credit goes to Alex)
"Oh my god, she brought her manshadow with her." "Is it a girls night? Yeah, no manshadows aloud"