play a fool
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English:
play the fool
Detailed etymology
definitions
verb
- to mess around; to act or behave in an idiotic, silly, naughty, mischievous, or unserious manner
I threw cigarette butts at a monkey just to play a fool. The monkey started chasing me around the stadium.
— 1994 May 24, Tan Seow Hon (quoting Dalvin Carvalha). The New Paper, "Kids harassed animals". p.12
usage notes
Also used in English, though less commonly than play the fool and in a slightly different sense.