fly open

His eyes fly open wide, staring up, not at me but through me.

All horrent the cobra exalts his hooded head, and the spanning jaws fly open.

I promise you, you need carry nothing else with you into our parts, to see all the doors fly open to you.

But it is at eleven that the doors of the villas and hotels fly open.

Tremendous pounding commenced against the cellar-door, causing it to fly open and close again several times as by the same hand.

They can make most locks fly open like magic; what's more, they're willing to do it for anybody else, or show them how.