His head and shoulders bobbed as he pulled himself to the door.

His head and shoulders bobbed wildly, and remarkably, he worked his foot back under him.

The grass reached to their armpits, and their heads and shoulders bobbed like the cork line of a fishnet in the pale sea of grass.

A man's head and shoulders bobbed above the central trunk.

Heads shoulders bobbed forward around him.

Her thin shoulders bob up and down.

Her shoulders bobbed gently.

He went on, his slim shoulders bobbing in the moonlight as he detoured around the duck pond.

The ten-year-old shrugged, head and shoulders bobbing, and spoke with the beat.

His narrow shoulders sagged, his disjointed body slumped, and his Adam's apple bobbed like a cork in water as he swallowed his disappointment.