Comey Shake
When you are forced to greet some one who you know is an absolute turd but are compelled to greet them. Like taking a big bight a stinking shit sand which -Usually in a formal or official setting.
I had to greet my ex wife's husband at my daughter 's graduation. Knowing that he is a turd on several levels , and wantes to be as cordial as possible I extended my hand out for a COMEY SHAKE from a safe distance , but got pulled in.