Definition of "boo"
interjection:
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A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
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A word used ironically in a situation where one might have scared someone, but said someone was not scared. Not said as loudly as in definition 1.
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An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
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noun:
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A derisive shout made to indicate disapproval.
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A close acquaintance or significant other, derived from French beau.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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verb:
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To shout extended boos derisively.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
To derisively shout extended boos at.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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