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They helped themselves with the snacks = entertained themsleves.

Will anyone please tell me if this is the correct phrase?
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AbilThey helped themselves with to the snacks.
They ate the snacks.
CB
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I agree with CB
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Comments  
It means that they ate the snacks by themselves.
 Cool Breeze's reply was promoted to an answer.
 Marius Hancu's reply was promoted to an answer.
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