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A wankcracker is a rather vigorous masturbation session, often caused by a person or object of great personal desire.

Whilst having a wankcracker you are wankcracking.

The injury itself is a wankcrack. It is very painful and requires a trip to ER. It is the worst possible injury a man can face.
"I had a wankcracker over her last night"

"Open the windows, you've been wankcracking"

"He won't be out tonight, he's suffered a wankcrack"
by FrostyL April 01, 2010
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