Male whose behaviour is considered unacceptable (4)

I believe the answer is:

lout

(Other definitions for lout that I've seen before include "'Rude, ill-mannered fellow (4)'" , "Boor, roughneck" , "Uncouth chap" , "Ruffian" , "Awkward and stupid person" .)

I've seen this clue in The Irish Times.

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