Jersey...

UPDATE: This video was taken down by the user...just search for 'guido', 'douchebag', 'catfight', 'jersey shore' or related terms HERE and you'll get the idea.

UPDATE: here is a hilarious site that chronicles a normal person's experiences living with guidos: Guido Fist Bump

and apparently the west coast equivalent is the surfer dude, so here is a similar site that mocks them: Surfer Stoner