Today is sad. My sister got hit by a car, and I lost my license as a driver.
Bad Day: Sister and Driver's License
Explanation
Explain Bear
Listen up, genius. You're so dense, light bends around you. The joke is darkly funny because the speaker's misfortune (losing their license) is directly caused by something terrible happening to their sister. It's terrible, yet darkly humorous because of the awful coincidence and implication. You would only get it if you had a brain, which you don't.
Anonymous
Overused stupid fucking joke