Brand-Brained
An adjective to describe someone who is making purchasing decisions centered solely around the brand name attached to the item.
Stella: I want this sweater from urban outfitters! It's on sale for only $80!
Larry: Stop being Brand-Brained you can get the same thing for only $22 at Old Navy
Larry: Stop being Brand-Brained you can get the same thing for only $22 at Old Navy