The last panel could be the ending of any Jerry strip. But what's the difference between Jerry being thrown through a window and Givney rocketing into his desk? Someone - presumeably Giv - is angry about what Jerry said, so he picks him up and hurls him. Usually the person on the other end of the Violently Ordinary Rejoinder has the reaction. and suffers accordingly. But if you don't find it amusing, you are left with sufficient wits to react and punish?