So, you put your head down, look at your watch or tuck your hair behind your ears as you approach one another. This one really sucks. Then you feel like a complete jackass. Next time you'll reconsider whether or not this person is really worthy of your acknowledgment. By far, this is the most uncomfortable greeting one can receive, and it often comes when you least expect it.
Some people like to give a little shoulder rub or stomach poke.
You pretty much just want this person to go straight to hell rather than give you one of these condescending greetings, if you receive one at all. Don't take our word for it, observe your own salutation practices, see which kind of offender you are. Chances are, you've used one or more of these greetings at some point in your Drake career. We know you have, we've walked past you before. Both are Times-Delphic columnists.