bounce up and down

to spring up and down due to natural elasticity or from being jostled or thrown. The ball bounced up and down for an amazingly long time. I bounced up and down in the back of that truck for almost an hour.

Common Names:

Name	Pronounced	Usage
Sohrab	-	Persian, Persian Mythology
Teodosio	te-o-DHO-syo (Spanish)	Italian, Spanish
Mccullough	[mə'kʌlə]
Hananias	-	Biblical Greek
Cenhelm	-	Anglo-Saxon
Karyna	-	English (Rare)