The meaning of Croaker and additional information.

Croaker(n.) One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil.

Croaker(n.) A small American fish (Micropogon undulatus), of the Atlantic coast.

Croaker(n.) An American fresh-water fish (Aplodinotus grunniens); -- called also drum.