People that say "what happened?" instead of "excuse me?" when they didn't hear what was said and want it repeated.
Nothing happened, you rude, loathsome piece of shit. People that say this do so for the purpose of pretending like they're so aloof, so detached from whatever your deal is. Too cool for school. Well, they're not, because it's always some low-class goof saying this shit and they obviously want to know what you said, so they're not above it. And for the record, I DO NOT respond to people that say this to me. I ignore it until they ask me properly to repeat myself. I will not give in to this retardation.
To everyone that says "what happened?": you're fucking rude and I hope you fucking die.