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Very inexpensive These shoes were dirt cheap—I found them on the clearance rack.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
extremely cheap. Buy some more of those plums. They're dirt cheap, In Italy, the peaches are dirt cheap.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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.
mod. very cheap. Get one of these while they’re dirt cheap.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
Very inexpensive. The idea of something being as cheap as dirt dates back at least to Roman times. Petronius’s Satyricon (a.d. 60) says, “In those days food could be had for dirt” (Illo tempore annoma pro luto erat). It may already have been a cliché by the time Dickens used it in Oliver Twist (1838): “I sold myself . . . cheap, dirt cheap!”
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer