wigwag

verb [vi. 不及物动词]（非正式）摇动；用旗语发信号；用手示意；来回移动某物

He never walked by my old home without stopping to exchange greetings, never passed me on the road that he was not ready to wigwag kindly a sentiment.
他从为不会经过我的老屋而不停下来与我相互问候，不会在路上见到我而不摇尾向我致意的。