Wiktionary
jump about
vb. 1 To move erratically by jumping. Usually as a result of being excited. 2 To move from side to side, or fidget annoyingly. Usually as a result of being nervous.
Usage examples of "jump about".
I could n't see how the cattle could live in a place where a lively boy, full of young blood, would freeze to death in a short time if he did not swing his arms and slap his hands, and jump about like a goat.
He really didn't have to take another short-term assignment or jump about on a courier route: they'd cleared all 1066's indebtedness with the bonus and danger money from the assignment that had put Boira in hospital.