Never heard it before. NO obvious meaning. It is a concocted not funny joke from one movie. Generally it does not mean anything sensible. . If you say it, I guess, it sort f means you have watched this movie.

Here is the scene. https://youtu.be/hxJPJ6JY0Pk

Its a famous movie quote from The Sandlot. It means to be dicontent with someone. If someone is unhappy with something you said or did, then you can use this reference