D4F7 - A stupid way to spell daft. People use it when they're eithe

A stupid way to spell daft. People use it when they're either super impressed or completely lost.

My math teacher said the test was D4F7. I didn't know if that was a compliment or a curse.

That kid ate three pizzas in one sitting. He's D4F7.

I saw a guy ride a unicycle through a chicken restaurant. That was D4F7.