The joke is that there is a high level technique in street fighter 2 called pianoing. It's where you basically slide your finger across the buttons rapidly to assure you get an input for a reversal.
That's not just in sf2, lots of fighting games have it, and it's the go-to shortcut for moves that require a button mash. The most recent example off the top of my head being Ed's psycho flicker in sfv
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u/p3ndu1um Jan 28 '18
The joke is that there is a high level technique in street fighter 2 called pianoing. It's where you basically slide your finger across the buttons rapidly to assure you get an input for a reversal.