1 definition by Willy Callit

Top Definition
A roller derby soul mate, the woman who you knew from the first second that you'd been separated at birth, who will hold your hair when you throw up after drinking too much, arrange bail, ride in the ambulance with you and set your real husband straight on the Derby world.

Invented by Kacey Bomber of the Los Angeles Derby Dolls, if you don't have a Derby wife you ain't a Derby person.
(a Derby Wife) may not even be your best friend in the league or the sport, but she’d be the one you know will be the first one to back you up, even if you’re dead wrong. - 2003, Kacey Bomber, Los Angeles Derby Dolls
by Willy Callit January 25, 2010

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