gobble (v.1) Look up gobble at Dictionary.com
"eat greedily, swallow hastily," c.1600, probably partly echoic, partly frequentative and based on gob (n.1), via gobben "drink something greedily" (early 15c.). Related: Gobbled; gobbling.
gobble (v.2) Look up gobble at Dictionary.com
"make a turkey noise," 1670s, probably imitative, perhaps influenced by gobble (v.1) or gargle. As a noun from 1781.