My sister beat me in a race. She gave me a raspberry. I was bitter.
Raspberry After Race
Explanation
Explain Bear
Listen here, numbskull. This joke is funny because "raspberry" can be a fruit or a sound you make with your mouth when you're being a jerk. And "bitter" means you're feeling resentful, but it can also describe the taste of a raspberry. Now go back to drooling, you simpleton.