When you wave your arms and shake your fists in an animated fashion to express your anger at something, this is an example of a time when you gesticulate.
Origin of gesticulate; from Classical Latin gesticulatus, past participle of gesticulari, to make mimic gestures ; from gesticulus, diminutive of gestus, a gesture ; from past participle of gerere, to bear, carry, do
verbges·tic·u·lat·ed, ges·tic·u·lat·ing, ges·tic·u·lates
Origin of gesticulateLatin gesticular&imacron;, gesticulat-, from gesticulus, gesticulation, diminutive of gestus, gesture, bearing; see gesture.
(third-person singular simple present gesticulates, present participle gesticulating, simple past and past participle gesticulated)
From Latin gesticulatus, past participle of gesticulari (to gesticulate) from gesticulus (a mimic gesture), diminutive of gestus (gesture), from gerere, gestum (to bear, carry, perform).