An undying and false belief or impression of superiority, nurtured by the minds of North Americans living and/or raised along the Pacific Coast line of North America.
West Coaster: "Shrimp are so 2010. In British Columbia we eat prawns, they are so radically different and better"

East Coaster: "Why are you wearing white framed oakleys with a suit you asshat? fucking West Coast Attitude""
by Eastcoaster1989 March 20, 2011