She could tell he was up to being smarmy tonight and she was feeling too on edge to have any of it. It didn't give in to his goading, she just finished up the shelves on one wall and began on the pile of rubble below.
Shoving the parchment that she had scattered into a small dust bin bag and snarled up at him, "oh really, Malfoy? I never would have guessed."
Standing up when she had cleared away a good bit of the mess, she found him lazily waving his wand, "oh don't hurt yourself," she said, rolling her eyes, walking past him towards the door to throw out the bag of parchment, stained robes and busted quills. She never would have guess McGonagall to be so messy.