springyrock

noun
UK /ˈsprɪŋi rɒk/
US /ˈsprɪŋi rɑːk/

A springyrock is a rock that bounces like a ball.

The kids laughed as the springyrock hopped down the hill.


OTHER MEANINGS

2. A toy made to look like a rock that bounces.

She squeezed the springyrock and it jumped out of her hand.

3. A soft, spongy patch of ground that feels like a rock.

He stepped on the springyrock and sank a little.

4. A person who is full of energy and hard to keep still.

My little brother is a real springyrock at parties.