One of many birds valued throughout Grymoire as a mode of transport. Flightless, but fleet on their feet. The males are called "chocobros"...by no one, if there's any justice in the world.
—Mirage Manual entry
食う / くう / kuu is a rough way to say "eat", whose volitional casual form is 食え / くえ / kue ("let's scoff 'em down!"), leading to Kweh!