"Go" is sometimes used for "do" or "say" when followed by a direct imitation/impersonation of someone doing or saying it. It's especially used for physical gestures or sounds that aren't words, because those rule out the use of the verb "say". It can mean that, but it is usually restricted https://zionniapf.canariblogs.com/5-einfache-techniken-für-rhythm-48652487