размахивать

to wave, to brandish

r ɐ z m a xʲ ɪ v ə tʲ
раз apart; in different directions + мах to wave, to swing + ива forms imperfective verbs, often with iterative or ongoing meaning + ть Infinitive
verb Rare #46,667
to wave, to brandish
RU: Не надо размахивать руками.
EN: You don’t need to wave your hands around.

Мистер Белый достал пушку и начал ею размахивать.

Mr. White pulled out a gun and started waving it around.

— Бешеные псы (1992)