Wringer

a person or thing that wrings.
an apparatus or machine for squeezing liquid out of anything wet, as two rollers through which an article of wet clothing may be squeezed.
a painful, difficult, or tiring experience; ordeal (usually preceded by through the):
his child’s illness really put him through the wringer.
contemporary examples

nuclear sub cheating scandal christopher brownfield september 21, 2010
the white house’s tsa failure clive irving march 26, 2010
adam driver on role-play s-x with lena dunham on ‘girls’ and adam’s stormy relationship with hannah marlow stern march 9, 2014

historical examples

the brain alexander blade
hints on dairying t. d. curtis
martin eden jack london
betty gordon at bramble farm alice b. emerson
punch, or the london charivari, vol. 152, march 28, 1917 various
the boy scouts of lakeville high leslie w. quirk
mr. dooley: in the hearts of his countrymen finley peter dunne

noun
another name for mangle2 (sense 1)
n.
see under put through (the wringer)