whistling

The Greens, on the other hand, described the bill "dog whistling that shamefully scapegoated international students for the housing crisis they did not cause".

World-class whistling, from a Scottish perspective at least.

“It feels like we’re in a tornado, without the whistling sound. The winds are really, really whipping. We’ve already seen a few transformers blow in our neighbourhood just by looking out the back porch.”

Most everyone knows the price Emmett Till paid for whistling on a summer Wednesday night.

There was the sound of the animals’ bells, men and boys whistling to call in the dogs.