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a crunch sandwich is when you add a layer of your favorite potato chips to any sandwich thus creating a crunchy layer. on the sandwich.
person 1:hey, this sandwich is good but not as good as a crunch sandwich.
Person 2: whats a crunch sandwich?
person 1: i'll show you. (opens sandwich, gets a handful of doritos, puts the chips on top, closes sandwich, pushes top back on to the sandwich and listens for the satisfying crunch.) there you go.
person 2: cool.
by csblizzard93 January 01, 2012
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