Be aware that some of these are cultural, and restricted to certain times and places.
Personally, I enjoy inventing my own body language for the Gryphon Clerks series. The gnomes have a whole language of gestures for conversing in noisy environments (or plotting without being overheard by the dwarves), and they use a lot of the gestures in everyday life. For example, waving your hand past one ear means something like, “I know, but what can you do?”
Originally shared by Writers Write