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1. One who breaks absolutely everything he touches
2. Lil Johnner (JCNem)
Christ hammerhands, you break everything in my apartment
by HumBabe March 06, 2005
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2
The act of master-baiting in which the user's hands makes a motion similar to a hammer hitting a nail.
Johnny hammerhands to internet porn.
by N1337 November 25, 2009
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