The boy crossed his skinny arms over an equally skinny chest.

She crossed her arms over her skinny chest.

His skinny chest expanded visibly as he pulled on it.

She thrust her skinny chest toward him.

He coughed once, and his skinny chest convulsed.

He was lying in the air, flat on his back, his arms folded across his skinny chest.

He looked down at his skinny chest, bristling with feathers, and took a step forward.

"That's right," said Nudge, crossing her arms over her skinny chest.

He placed his foot in the center of the skinny Klingon's chest and put the bat'leth to his throat.

"Then they opened here with a large dagger," the child went on haltingly, drawing his hand over his skinny chest.