+2 on coughing, sneezing without covering mouth.
Also, blowing nose loudly in public (I call it "honking" -- seems like it's just men who are guilty of this). Is that really necessary?? And LOOKING at what comes out; OMG this is so disgusting I can barely stand to think about it.
Yawning loudly. Again, this is almost always men. What IS it with men? It's like everything they do has to be a show
with an audience
, I'm going to be a crotchety old woman, too. Hell, I think I'm already there.