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boo1 definition

boo (bo̵̅o̅)

interjection, noun pl. boos

  1. used to express disapproval, scorn, etc.: a prolonged sound
  2. used to startle someone: an abrupt exclamation

Etymology: echoic

intransitive verb booed, booing boo′·ing

to make this prolonged sound in expressing disapproval

transitive verb

to shout “boo” at, in order to startle
boo2 definition

boo (bo̵̅o̅)

noun

Slang marijuana

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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