enfantterrible

en·fant ter·ri·ble (äɴ-fäɴ' tĕ-rēʹblə) n. en·fants ter·ri·bles (äɴ-fäɴ' tĕ-rēʹblə)

One whose startlingly unconventional behavior, work, or thought embarrasses or disturbs others:

The radical painter was the enfant terrible of the art establishment.

  [French : enfant, child + terrible, frightful.]

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