Can we add an official "Prepare for Dragon/Baron" ping?

So many junglers don't seem to grasp the concept of Dragons. Instead of backing at no HP when Dragon is spawning in 30 they'll do Krugs. Dragons are so important that if your team can't get at least two then by the time the other team kills their 4th then they'll have an insurmountable lead.

I've lost two games today that should have been easy wins despite feeding carries but my junglers just HAD to refuse to group for Dragon. Seriously? You have such little faith in your team that you'll forfeit 4 dragons in a row?

Just entertain the rest of us and make a ping that shows our intentions. Stop letting junglers act like no one cares about winning without someone typing a paragraph about why the next dragon is important in chat. The "Next dragon in X seconds) doesn't cut it.