Exemple:
I'm so tired of <em>shaking hands</em> all day at this trade fair... with all these new people I'm meeting, my arm is tired! 
Licence photo:
CC: Attribution, Commercial Use
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
Etiquette: shaking hands
The act of taking the right hand of another person in your own right hand and moving your arm up and down in order to greet someone. Often done in business or formal situations, particularly in Western society.