Have you ever made up your own little phrases or hand gestures that are kind of odd to everyone else, but make perfect sense to you, and you take pleasure in knowing that?

When people start making me upset, I sometimes say weird things (“can it, lady” , “what a load”, etc.) or do this weird hand gesture that my brother’s friend uses to tell his dog to go lay down. I guess the saying aren’t really that weird, but does anyone else find themselves saying things that are out of the norm, or feel like you might be the only one that says that (that you know of, anyway)?
What kind of things do you say? Why do you say them? when did you start saying them? If weren’t the originator of the saying, where did you hear it from?