gobstruck

Those comments drew scorn from some elected officials and gobstruck residents who gawked at the river filled with florescent-orange oil-collecting boom from bridges over the Kalamazoo.

Efforts Doubled to Clean Up Michigan Oil Spill

And I swear, when I see a driver come to a complete stop at a stop sign, I drop dead in gobstruck shock.

“Rules are like kryptonite to cyclists” « Stephen Rees’s blog

I was still gobstruck to find it in Borders though.

Wow.....

Whenever we uncover something they should have told us, it's as if they're gobstruck that we hadn't already known it. '

A Place of Execution