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The extending of the arm, and then releasing of the wrist, making the hand go in a downward motion.

Often done to/at someone/something that is lame, or has preformed a stupid act.

Done to show lameness at a person or object.

Origin unknown.
She was being an asshat, so she got the lame hand.

He kicked my tots, so I gave him the lame hand.
by me January 04, 2005