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