If your one of those people who don't use the chat this is not for you because today I will be tell you how to use movement with in game to Chat.

Crouching In Game (up to 5 crouches)

One Crouch = Bye
Two Crouches = Hello
Three Crouches = Thanks
Four Crouches = Follow
Five Crouches = Help

Spins

Spinning in the right direction = Killer Is Near
Spinning in the left direction = Killer Is Far

So that's all I have for now if you want me to add anything please let me know.