rotten to the core

Slang Dictionary

rotten to the core definition


  1. mod.
    really bad. (See also rotten apple.) : That lousy punk is rotten to the core.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Idioms & Phrases

rotten to the core

Thoroughly bad, as in It seems that this police unit is rotten to the core, involved in numerous extortion schemes. The noun core here denotes the central part or heart of anything or anyone. The idiom was first recorded in 1804.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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