They were like vast coiled springs, pressing against one another.

He'd been like a coiled spring all those years.

He was very small and thin, like a coiled spring.

He spoke quietly, but his body was tense as a coiled spring.

He came up off the ground as though he had been sitting on a coiled spring.

We others bounced up as if a coiled spring had let go.

But he was up again like a coiled spring.

His movements were like the motion of a coiled spring.

He was a coiled spring, tightened to the point of outbreak.

Spock, on the other hand, was like a coiled spring.