What name is given to the rare feat of dismissing 3 batsmen in successive balls?

Hat trick. From a quaint old English custom where the bowler claimed the hats of the onlookers. A turkey is three strikes in a row in tenpin bowling, a Triple Treat is a brand of ice cream and Howzat is where the fielding side is imploring the umpire to give the batsman 'out'.

 

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