Top Definition
An open-faced sandwich often served as breakfast. Peanut butter is spread on a slice of bread and a layer of marshmallows is placed in the peanut butter. The sandwich is toasted (most commonly in a toaster oven, but the broil setting in a standard oven can be used).
When I was a kid, my mom made me a peanuttiest for breakfast almost every morning.
by Cyttocs February 08, 2007
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