[Goku just looks confused. Why is Gojyo upset? He's just an innocent child. Surely he didn't mean anything by it.]

But you're all bald! So you're an old, baldy kappa. [Snickers. That's funny, apparently. Okay, maybe he's not innocent.]

And ya got wrinkles there and there- [Pointing at random spots on Gojyo's face. ] You got real old, Gojyo! Do ya need help walkin'?