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April fool

Definitions of April fool
  1. noun
    a practical joke or trick played on the first day of April
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    type of:
    practical joke
    a prank or trick played on a person (especially one intended to make the victim appear foolish)
  2. noun
    the butt of a prank played on April 1st
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    type of:
    butt, goat, laughingstock, stooge
    a victim of ridicule or pranks
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