When he heard the rude sound Peeves was making, Severus deftly removed his wand from his robes and send a mild stinging hex in the poltergeist's direction. If that didn't get him to move off, Severus would have to go searching for the Bloody Baron, a prospect he didn't relish one bit.
Turning back to Miss Abbott, Severus scanned her quickly, taking in her sodden state. She did seem to have borne the brunt of the attack, as it were. Still, he couldn't let her simply walk away - at least not yet. "Not just yet, Miss Abbott. What, pray tell, provoked him?" He asked. He sincerely doubted that Peeves had disrupted anything of import, but one could never be too careful.