It could jump up and charge you.
So maybe your teenaged daughter might jump up and down on her bed while shouting about hard rock hallelujah.
Jackson knew he had to give her something or she would burst, and, truth be told, he was proud of her for acting so casually when he knew every fiber of her being wanted to jump up and down screeching, 'Tell me, tell me!'.
Fred sulked while Dean felt guilty for treating the old man's efforts so cavalierly but was too pissed in general to jump up and apologize.
Dean could hear him jump up and he felt the left handcuff being unfastened and a key being pressed into his hand.
