Taking up space: If you're on a full buss and you have your bag on the seat, then fuck you.
Consuming resources: If you're at a party and eat 4 feet of a 6 feet party sub before anyone else even has a chance to get to it, then fuck you.
Existing/For being: I'd honestly like an apology from Hitler, Mussolini, Manson, and few others for having been born.
Expressing yourself: If your way of expressing yourself is painting shitty swastikas on everything, then fuck you.
Asserting yourself: If the only reason you're asserting yourself is to show you're a self proclaimed alpha-male, and put others down, then fuck you.
Putting yourself first: If you have kids and ALWAYS put yourself first, then fuck you.
Being different: If you're proud of being an anti-vaxxer, and you're out there thinking you're cool for not falling for the big pharma conspiracy, then fuck you.
Disappointing others: If you made a promise to someone and the only reason you chose not to keep it, was because it was a light inconvenience to you, then fuck you.
Choosing what works for you: If what works for you is at the cost of others, then fuck you.
Saying no: Fair.
Saying yes: fair.
For being happy: If you're happy someone else is not, then fuck you.
For being sad/upset: If you're constantly sad/upset over the same thing but you refuse to remove yourself from it because you like the drama, then fuck you.
For having needs: This one is so god damn obvious i'm not even gonna write a then fuck you.
For having feelings: No, how you show and react to them however, you sure as fuck need to apologize for.
Having wants: That's just needs with extra steps.
Also
You crossed a boundary: Sometimes you need to cross a boundary, yours or someone else to affect positive change, good for you.
You become aware someone felt hurt by an action of yours: I'm pretty sure someone cheating on you will be hurt when you leave them, or that you documented and reported domestic abuse, good for you.
You were mistaken about something: Sir Alexander Fleming discovered penicillin because he made a mistake, sometimes being wrong is right, good for you.