He held up his thumb and stripped a piece of plastic off the fleshy part.

I turned my head and saw him holding his thumb up.

She held up her thumb and index finger to indicate how tiny that is.

He glanced at the stick operator, held up his thumb.

He held up his thumb and forefinger again to indicate something very small.

He held up his thumb and forefinger to show how narrowly.

An older man is holding up his thumb and forefinger, indicating that they are only little girls.

He held up his thumb and first finger, barely leaving a gap.

He held up his thumb and forefinger close together, indicating "very little."

"He is a small thing," I said, holding up my thumb and forefinger again.