to gesticulate, to gesture
Essaie de gesticuler un peu moins.
Try to gesticulate a little less.
Stop gesticulating!
N'importe qui peut gesticuler et donner le tempo.
Anyone can wave their arms and keep time.
— Whiplash (2014)
Je te vois gesticuler, parler tout seul, tu es devenu fada ?
I see you gesticulating, talking to yourself, have you gone crazy?
— Manon des sources (1986)