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Used to describe anything characteristic of the town of Westfield, NJ. Westfield is a primarily white upper-middle class community in central NJ with a relatively high concentration of jewish families. More importantly Westfield is stereotyped as having a high concentration of preppy, tooly, and generally d-baggy people.
Saying something is Westfield infers that it is one of the following; preppy, laxtastic, tooly, rich, d-baggy, stingy, or has a pretty cool downtown.
dude1: that dude rocking the half-calfs, lax pinnies, and oakleys; that's so westfield.

dude2: hes wheelin and dealin for sure.
by UCo July 21, 2011