Top Definition
An alias that a roller derby skater uses instead of their real name. Often a bawdy play on words, or pun. Pronounced "nom DUH uhr-bee".
"Know who *that* is? It's Camel Toni from the North Star Roller Girls. How rad is it that she and her old man Bruce Knuckle from the TC Terrors both have a nom de rby that refers to the chick & dude versions of the front wedgie?"
by jameser612 May 16, 2010

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