Let the flaming begin, heaven knows I deserve it.
Uh, I thought the flaming was over...
Chuck that thing in a bucket of salt water & let it sit for 24 hours.
Or better yet, Google on "Disposing of damaged LiPo batteries" or some such, and see what it comes up with.
I would criticize you, but then I'd have to fess up to all the incredibly dumb things I've done lately, and explain why I shouldn't be criticized for
them.