1 definition by Unicorn of the sea

Top Definition
A guy you are not dateing and is not your boyfriend but is more then just a friend. You both act like you're in a relationship but it is not official.
"are they dateing?"
"no thats manfriend"

"who's that guy she's with?"
"That's her new manfriend"
by Unicorn of the sea February 01, 2011

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