When something is just too true to be expressed any other way. Coined by the show Pysch
True as toast man, I couldn't believe it either!
The only toast, the one and only. Anything you originally thought was toast... is not actually toast. The only toast is the One True Toast
Joe: "Look at my toast"
Tim: "Nah m8, that isn't toast"
Joe: "What?"
Tim: "The only toast, is The One True Toast"