1 definition by Rickbauls

Top Definition
Having sex with some to get back at someone else

or

Having extra rough sex with someone as a means to get back at that person
ex. 1: Yea, i grudge fucked your mom on you...

ex. 2: That bitch was mean all day, but she wanted sex later that night. So i grudge fucked her.
by Rickbauls January 24, 2005

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