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.