[He frowns, irked by the insult. And annoyed at himself for being insulted by a frog.]

I wouldn't be callin' anyone else "little," if I was you.

[In spite of himself, he does feel a little bit of sympathy for the struggling frog, so he cups it in his hands instead of letting it dangle.]

And by the way you talk, I bet you're not that tough when you're not a frog, either. If you're even tellin' the truth about that.