Top Definition
A general term for any rapist, especially a serial rapist. Similar to Jack the Ripper, only he violently fucks people against their will instead of ripping them open with a knife.
Jill: "Well, it's getting late. I better go home now".

Mary: "Be careful when you pass those dark alleys. You never know if you'll run into Jack the Fucker".
by Jackette55 November 24, 2009
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