noun, masculine/ɡʁo ʃjɛ̃/plural: gros chiens
Used other than figuratively or idiomatically: see gros, chien.; rich person; important person, bigshot, bigwig
“Il s’a tourné de bord et il s’a figuré avec un gros chien.” — He turned around and he found himself face to face with a big dog.
Synonyms: gros chat
Literally, “big dog”. Compare Louisiana Creole gro shyin.