slang Ketchup. (The phrase is based on the variant spelling "catsup.") Hey, can I have some cat-soup to put on my fries?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. catsup; ketchup. Do you want some cat-soup on your burger?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.