A/N: Written for AO3's International Fanworks Day. I have no other plausible explanation
"What...are you doing?"
Jack Frost was staring back at E. Aster Bunnymund with eyes the size of dinner plates, mouth hanging open, as if the rabbit was the one wearing a braided blond wig and a blue ball gown instead. In the background from an iPod, a woman's voice sang some song which not three seconds earlier, the kid had been singing along to with alarming volume and zeal for a 300-year-old winter spirit.
"I'm…letting it go," Jack whispered awkwardly as he released a small spurt of ice and snow from his hand, before breaking down into thoroughly embarrassed tears.