A brand of clothing that your dad would wear. Not any reference to the quality or price, but the image that a particular brand gives off. Not something a guy under the age of 25-30 would prefer to wear. Examples: Orvis, Eddie Bauer, Wrangler's, Greg Norman, Walter Hagen, Tommy Bahama, etc.
Guy 1: Hey bro, let's stop by the Orvis store.

Guy 2: Nah man, that's such a dad brand. I'll meet you at H&M.
by HonestA January 8, 2015
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