mod. lame; dull; bad. : That broad is truly ill and has a face that would stop a clock.
mod. and illing; illin'. excellent; cool. : We had an ill time at your party. Loved it!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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American Heritage
Idioms & Phrases
ill
In addition to the idioms beginning with ill, also see under get sick.
