Top Definition
A term widely used in the MOBA game League of Legends. If one is said to have sickmotion they most likely just made a really bad decision or a poorly thought out move.
Hey man why did you go in 1v5 that was so sickmotion.....

Wow you literally sat there and watched them kill you, you're so sickmotion.

I can beat him easily because he has sickmotion.
by chaseonfire November 30, 2010

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