double take

The “Aduba double-take,” a phenomenon that fans of the show often fall victim to, is truly a testament to her feral performance.

I must have done a double-take, like the Navy pilot who sees a UFO outside his cockpit.

You'll notice yourself doing a double-take when you read this because it sounds like an elaborate prank from the Onion.

The whistle came from his lips this time, as he did a double-take at the figure which confronted him.