dirt cheap

dirt cheap idiom
Very inexpensive, as in Their house was a real bargain, dirt cheap. Although the idea dates back to ancient times, the precise expression, literally meaning “as cheap as dirt,” replaced the now obsolete dog cheap. [Early 1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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