When a guy fingers two girls at the same time. And thus his fingers look as if he is stroking piano keys. Synonymous to skiing, but with girls instead.
What'd you do last night Josh? I was playing the piano man, Stephanie and Emily were loving it.
In League of Legends, spamming QWE and the right mouse button on an enemy. Commonly used technique for Skarner, Shyvana, and Xin Zhao.
I raped this Ashe with Skarner by charging in recklessly and playing the piano.
To finger a female which such skill and technique it rivals that of pianos players.
Tod: dude i fingered that girl so good it was like i was playing the piano.