"Pitty-pat" is a slang term that refers to the sound of quick and light footsteps. This term is commonly used to describe the way someone walks or moves in a hurried or nervous manner. However, there are several other synonyms that can be used to replace "pitty-pat" in different contexts. Some of the alternatives include pattering, thumping, tapping, clacking, clicking, clattering, thudding, and clomping. Each of these synonyms has a slightly different connotation and can be used depending on the tone and context of the sentence. By knowing these alternatives, you can add variety and nuance to your writing or conversation.