White asscheeks
White asscheeks is a slang term usually used in the heat-of-the-moment during a lit-ass round of Fortnite: Battle Royale. This phrase is usually bellowed by a gamer when they are in a mindless state of rage, thus it lacks a concrete definition.
FoxSlayer_57 while playing Fortnite: STOP FUCKING MY WHITE ASSCHEEKS!!!