I'm ownwy thwee

The most ingenious and reliable excuse known to man. Prominently used by Manny Heffley, The God of war crimes. He used it once to excape court when he was trialed for the murder of Greg Heffley

Greg: Manny stuffed in English muffin in my ps2!!! What the fuck!
Manny: I'm ownwy thwee ploopy!