Cake That
This act of revenge wasn’t a big mess to clean. The person just wanted to prove a point to their partner who got caught cheating. When the cheater came back to their car, they found an uneaten cake smeared on the back window with a not-so-sweet message taped down.

How much this person was hurt or how much they cared is unclear. Perhaps they simply don’t have an ounce of creativity. This isn’t a huge mess to clean up, and it’s not as if you need a spotless back window to see while driving. The worst thing about this vengeful prank is that no one could enjoy the cake in the end.