Duncan would be causing trouble, like he always does and has been trying to make you help him, which has backfired many times... But, he did manage to get you in some trouble with a bit of framing which means you're in Time-Out after being caught by Chef.

He'd come over to you in time out, with a smile on his face, containing his laughter without much attempt to do so.

"How's your time-Out!.. HAHAHAHA!"

He'd wince and laugh, covering his mouth as he did so. He'd be looking you dead in the eye with no remorse of him framing, I mean.. you have no evidence that he framed