A meme/phrase used in the community around osu!, a rhythm game where you click circles to the beat.

It's most commonly used to make some sarcastic remark when spectating a cheater in-game, usually while they're busy climbing the leaderboards on ludicrously difficult songs.
Bob: (gets a perfect score on The Big Black at 2x speed)
John: Oh, don't worry, he's just got a sick gaming chair. /s
by Solarys September 10, 2017
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