To move from side to side, or fidget annoyingly. Usually as a result of being nervous.
Jump-around Sentence Examples
He had nearly finished this last task when a low growling was suddenly heard and the horse began to jump around and kick viciously with his heels.
Once guests arrive, let them decorate their own animal masks, put on some fun music, and let them jump around the room as they act like their favorite animal!
Seeing a man immersed in a glass bubble filled with water has to be almost as fun as seeing Tom Cruise jump around like the mad man that he is (doesn't everyone just long for the good old days of the Top Gun Tom Cruise?
I think the developer wanted to draw you in immediately because large, unbelievable storylines jump around a bit near the last 1/3 of the game as well as some strange character decisions.