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Handling, or about to handle, a situation very adequately or adeptly. Don't worry boss, I'm on it! Wow, Janet has been on it lately, hasn't she?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
on itdrinking heavily. Australian informal
Farlex Partner Idioms Dictionary © Farlex 2017
mod. really good. Man, Weasel is really on it! What a rad lad!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.