Arnold and Isaac were residents in a nursing home. Even though they were the best of friends, they were still prone to argue with each other. One day, they were lining up to get their lunch. Because Arnold was taking his time, Isaac said to him, “Hey You! Hurry up already before I punch you in the teeth.”
Arnold turns around, looks at Isaac, and says “OK. Go ahead. Make my day! My teeth are upstairs in the glass by my bed.”
From Oy! The Ultimate Book of Jewish Jokes, by David Minkoff