Sauce pic:
^shows over 290 results on Tineye.
Although this may be the real sauce:
This is the picture that I first saw about a year ago on a thread about trolling:
There's also a macrochan for that.
http://www.google.com/images?q=%22internet%20argument%22&um=1&ie=UTF-8&source=og&sa=N&hl=en&tab=wi&biw=1024&bih=651
Although it seems to be related to China, I've seen it outside of Chinese websites as well.
Also.
Lulz.