Lonely mans wrist is the equivalent of Carpal Tunnel but for when a man masturbates too much. Often achieved after excessive clicking on porn sites or from the dirty act itself.
Guy 1: Hey man why are you wearing a wrist brace?

Guy 2: I got a mad case of Lonely mans wrist.

Guy 1: you better Ice that man.
by Punky Jewster April 8, 2014
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