n. a baseball that drops straight down into the glove of a waiting player (for an out). (Since the 1940s.) : It's a can of corn! Right into Sammy's mitt.
n. something that is really easy [to do], as in easy as catching a can of corn. (From the image of an old-time grocery store clerk who would grasp a can from the top shelf with the special long tool, and then drop it straight down into his hand.) : Nothing to it. A can of corn.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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