Top Definition
A term used to describe the players in the secondary (on defense)in the NFL.

Ultimately short for Defensive Backs.

These group of players include cornerbacks, safeties and nickelbacks.
The best group of D Backs in the NFL belong to the Baltimore Ravens
by J>> September 17, 2005
"Oh no, Dback's here..."
by forsaken September 03, 2003
Is the shortened name for the Arizona Dimondbacks.
The D Backs are in Arizona.
by Al "The Computer Guy" April 16, 2004

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