Nothing polite about not fistpumping, just shows you're not an expressive guy or you just don't care. I don't know, Gulbis perhaps? Federer used to be an emotionless machine in his 'peak' years, but he's become a bit more expressive and emotional since he's gotten some real competition.
Are you shitting me?
what an asinine comment. He showed plenty of emotion with his "Allez" and his fisting pumping and occasional "come on" during his peak years. Just because he doesn't say "vamos" and pump/shake his fist every two points...
Out of the current top 20, hard to say.. They all have done plenty of fist pumping and stuff, however, I would say Berdych, Isner and Raonic don't do it as often as some of the others.