He eye-rolled right back at that first comment. He wasn't entirely sure what a chocolate bar was, so it was obviously some Terran thing that he didn't care about. And as for the other thing-

"What the hell's a 'Hoth'?" The word itself had Rocket sneering slightly, both in irritation or confusion. What a dumb-sounding word. Leave it to the earthlings.

"Anyway. First of all, I don't need help from you. An' second? Ain't no tellin' where you've been, so bitin' you's not an option."