Top definition
To act in a silly manner in order to amuse other people.
Tommy: Everybody, look what I can do! *makes a silly face*
Teacher: Tommy! Stop playing the fool and finish your maths!

Parents: Don't you be a bad boy Johnny, Don't you slip up Or play the fool.
Johnny: Oh no ma, oh no da, I'll be your golden boy. I will obey ev'ry golden rule.
by Kilokahn May 10, 2013
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