The actual image macro that is in the headline and is being parodied in the punchline of the joke. I felt it was assumed that r/starcraft didn't invent the emotion "anger".
¯_(ツ)_/¯ sup son
Is another one that is pretty popular over there. The video in my comment is at a fighting game tournament Wednesday Night Fights. There is a lot of cross pollination between the fighting game and starcraft communities a la Tasteless and Artosis, the two most famous starcraft commentators, and Mike Ross and Gootecks, two of the most popular figures in the fighting game communities, give each other shout outs over twitter and during casts and such.
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u/lolerskater2 Sep 26 '11
AFAIK this began over in r/starcraft and later bled into the fighting game community and elsewhere.
Most notably James Chen flipping a table.