Definition: 'S000963' is a term coined by internet users and commonly used to express shock, surprise, or disbelief. It's often seen as the equivalent of "a person who can't stand something," but there are countless examples that fit this description.
An example sentence might be: "I was shocked when I realized I had zero credit cards. What in the hell am I getting myself into?" This is a bit more edgy than typical profanity, and it implies a sense of panic or disbelief at encountering something unexpected or unfamiliar.