An Osu player is someone who plays no other game than osu. That is literally all they do. If you see a person with an anime profile picture on discord, it's most likely an osu player. The most common osu players are named Robert.
Guy 1: Hey dude what are you playing?
Guy 2: Oh, I'm playing a rhythm game.
Guy 1: What's it called?
Guy 2: Osu.
Gyy 1 Fucking weeb Osu player
by Someonenamedkyle March 30, 2021
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