Verwenden Sie „jounce“ in einem Satz

1. seat, then began to jounce around

2. He liked sitting there stoned and pretending not to watch her tits jounce around like grapefruits in a sack

3. But those books are now only fifty-pound cartons that jounce around dangerously with every pothole and keep the van from attaining a top speed of more than forty-seven miles per hour