croaker /ˈkɹoʊkɚ/ noun6 •Someone who or something that makes a croaking sound. •(informal) A frog.Frogs are also sensitive to vibrations through the ground, a footfall usually being sufficient to instil silence in a pond full of croakers. — 1974 •Any of certain fish in the family Sciaenidae, known for the throbbing sounds they make. •(old-fashioned) A vocal pessimist, grumbler, or doomsayer.There are croakers in every country, always boding its ruin. — 1771 •(slang) A doctor."Lungs," said McGuire comprehensively. "I got it. The croaker says I'll come to time for four months longer—maybe six if I hold my gait.[…]" — 1903 •(slang) One who will soon die; a goner.Mrs. Burke had […] bought a bottle […] to comfort him in his dying struggles (she was sure he must be a 'croaker'). — 1888 formscroakers
