pitch

leap / hop-hop / hop / move nimbly / prance along

make repeated bows / bob *one's head up and down

make an appearance from time to time / come at times

wave / flap / flutter

(of the way in which pain feels) in a throbbing manner / (of the way in which pain feels) in a stabbing manner / (of the way in which pain feels) in a smarting manner / (of the way in which pain feels) in a jolting manner / (of the way in which pain feels) in a prickly manner

be all nerves / be high-strung / be nervous / be uptight / be keyed-up

Pirquet reaction

enjoy the best of health / be well and sound / hale and hearty

pocket a rake-off / take a percentage