The word has quite a few meanings and happens in lots of colorful phrases and compounds that don't have anything to accomplish with defecation: for instance, no shit, shit comes about, and shitfaced. In informal discussions among good friends, the use of shit and its a variety of expressions https://reidvenvb.madmouseblog.com/17792576/the-smart-trick-of-bitch-that-no-one-is-discussing