bunny hop

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun idiomatic A dance from the big band era, a variation of the conga.
• noun cycling A jump made where both wheels leave the ground.
• noun baseball A ground ball that hops along the field instead of rolling.
• noun An exercise whereby the person crouches on their haunches and then extends their legs and springs up, jumping vertically into the air like a rabbit hopping.