Batsicle

But there's no answer. Marcie won't let you out, you realize, until you're frozen solid. Too bad, but you made the wrong choice. And it looks as if you'll end this adventure as a batsicle!

Source: wiktionary

[…] They had to drop the bats from high altitudes to keep the bombers from getting shot down, and at those altitudes the bats froze solid and dropped like chunks of ice. What a way to die—clunked on the head by a frozen batsicle."

Source: wiktionary

Most Eastern Red Bats migrate south to avoid winter weather. But some red bats stick around. They keep from becoming batsicles by sleeping under dead leaves on the forest floor when temperatures fall below freezing.

Source: wiktionary