1 definition by StickyNotes

A term used to name a girl. Her name must end in a "by" to qualify for the title (i.e Shelby, Darby). Manby's also must act like a man, this can be done in a number of ways (vocally, physically, etc)
Guy1: Wow look at Shelby down that 24 of Busch.
Guy2: Looks like we're calling it Manby now.

Guy: Who's that guy yelling in your apartment?
Girl: Oh that actually just Manby.
by StickyNotes March 23, 2013
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