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Slang Dictionary

up definition


  1. mod.
    happy; cheery; not depressed; upbeat. : I'm up today. Let's celebrate.
  2. tv.
    to increase something. : She tried to up the price on me, thinking I wouldn't notice.
  3. in.
    to take a stimulant drug. : Ted upped before going in to take the test.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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