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A very tall, multi-tiered sandwich with many fillings. In Chic Young's comic strip Blondie, the character Dagwood often makes such sandwiches. Just once I want to make myself a real dagwood sandwich—with eight layers of bread and cheese and salami and lettuce and tomatoes and pickles.
n. a tall sandwich with many layers of food. (From the comic strip character Dagwood by Chick Young.) I really like to make an old-fashioned dagwood sandwich every now and then.