Wave down

Pro Tip 1/3

Use this phrase when you need to be seen by someone in a vehicle, especially in urgent situations.

She had to wave down the ambulance from the side of the road.

Pro Tip 2/3

The phrase involves a physical gesture of moving your arm, often energetically, to catch attention.

In a crowded street, he had to energetically wave down a cab to be noticed.

Pro Tip 3/3

It's commonly used to describe an attempt to get help when you're stranded or in need.

Stranded after the hike, they waved down a passing car for a lift.