I Know Who Do Dis

History
One day we told Thomas to unplug the computer. He unplugged it and KUKIS came in wondering what happened to her computer. She said who do dis? You? You? You? We all said no. So she said I know who did dis. She wasn't even in the room and she definitely did not see. Maybe she sent a spai

Usage
The phrase "I know who do dis" is used when you don't actually know who did it but you want to appear intimidating.