Well, I'm still here, and I wrote something. So I'm posting it. Hopefully there are still some of you out there who watch the community...
Anyway, this is what I'd like to call movie-canon. Because it's definitely not like this in the book, but I got the plot bunny and wrote it anyway.
Harry had the snowball ready long before he lobbed it at Malfoy.
He’d packed it together between his gloved palms without ever recognizing what he was doing – just using nervous energy, kneading his fingers together, venting frustration, trying to keep quiet. When he finally noticed the hard little knot of snow that seemed to float in mid-air where he knew his hands were, he intended it for an entirely different purpose than what it came down to.
“If he touches her,” he seethed under his breath, not knowing until he spoke he was even thinking it, “I think I’ll die.”