wringer 
wringer definition
wringer (riŋ′ər)
noun
- a person or thing that wrings
- a machine or device for squeezing out water or other liquid, esp. one fitted with opposed rollers to squeeze the water from wet clothes
Etymology: ME, an oppressor
wringer Idioms
put someone through the wringer
☆Slang to subject someone to a painful or trying experience, as a harsh interrogation
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