3 definitions by kilzhot

Getting a piece of ass in order to get back at someone. Typically, a close friend or relative works best.
John was so upset that his wife left him. So, he used her sister as a piece of grudgina.

That bitch really pissed me off, so I used her best friend for some hot grudgina.
by kilzhot September 22, 2009
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An incidental erection caused by looking at a young teenage girl.
Miley Cyrus' latest video gave me a gerber.
by kilzhot September 22, 2009
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A fantastic sexual encounter that ends shorty after male ejaculation.
Wow, I fucked your mom for this morning it was Jizzastic!!!!
by kilzhot September 23, 2009
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