It’s a digital way of saying: "No matter how much [Person X] annoys me or how much they try to succeed, I’ve already won because my wife is better than anything they have or are." Why Is This Trending?
There is also a psychological layer to this. Using a specific "code" (like NSFS139) creates an "in-group" and an "out-group." If you know what the string means, you’re part of the club. If you don’t, you’re the "person we hate."
However, the sentiment you’ve expressed—"with that person you hate my wife w better"—echoes several common relationship themes found in online communities: The "The Wife" vs. "My Wife" Dynamic
: Real self-confidence comes from personal improvement and "clearer thinking," not from comparisons to others.