Gesticulate

He began to gesticulate wildly, as though that would make them understand.

Try to gesticulate a little less.

He began to gesticulate.

She has answered, France has answered, in thunderings articulate, / From the Alps and either Seaboard, to the Pyrenees, the Rhine; / And though a horde of demagogues may bellow and gesticulate, / They know this is a victory of the PEOPLE'S RIGHT DIVINE.

A "Haka" is the native dance, answering to the corroboree of the Australian aboriginals, and we were anxious to see it. […] Later in the evening, however, the complaisant Herekiekie entertained a small and select party at a "Haka" in his "whare" or house (pronounced wharry). It was exactly what I expected. The performers, all male, stood in a row, one, slightly advanced, acting as fugleman. They shouted and gesticulated with the most hideous and revolting gestures, grimaces, and yells.

... groups of dancers were wheeling, plunging, and gesticulating while the ogre, more aphasic than before, mumbled at full strength ...

He's delusional, and obsessed with a girl named Claire, and he says such things as: "I know she loves me, she just doesn't know it yet." And he gesticulates wildly, as though he were a fop in the court of Louis XIV.

[…]the TV programme Friends is influencing not only the way Irish people speak but also how they gesticulate. Now almost every utterance is accompanied by arms outstretched and palms turned upwards."