It means lying down and winning without doing anything. For example, when doing things, you won the victory simply by relying on your boss and colleagues, all because you have immortal teammates.

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The origin of lying to win:

The word lying down first comes from League of Legends. Describe that in a high-intensity antagonistic competition, one person drives the whole audience, brings up the rhythm of the whole team, and finally wins directly. Other players are more "soy sauce". The soy sauce here is "lying to win" Lying with big brother's thigh wins.

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Usage scenario:

When playing games in groups of five, you don't need much strength at all, because all four are big bosses, lying down and winning directly. Here, "Woying" expresses the admiration for Dayu and the joy of holding Dayu's thigh and easily overturning the audience.