Draco understood the double meaning behind Lottie squeezing his hand. It wasn't his fault that Gilderoy Lockhart was an irritating man to converse with! Or that he kept itching to reach for his wand and... well, that line of thinking would get him into trouble.
He'd been about to say something after Lottie and kissed his cheek and spoken but she'd hurried off before he had a chance. Now to find a way out before he had to converse at length with Gilderoy again.
"I think I spotted some friends from school earlier that I might go talk to," he said. It had been the first thing to pop into his mind and chances were it sounded believable enough; however, anyone else that actually knew him would've known he was being purposefully evasive. "Far be it for me to keep you from the rest of the party."
His final remark would hopefully play to the man's ego enough that he could then slip away to some corner of the party where he hopefully wouldn't be disturbed by him again.