Those consequences resultant when one's computer is either knowingly or unknowingly maliciously invaded with malignant viruses and/or spy/ad-ware programs.
May be used in a sentence:
As a statement: "Kazaa really fisted my computer."
As an exclamatory outburst: "Hot damn, that porno site seriously fisted my system!"
As an observation: "Damnit, these viruses are really fisting your computer!"
by The Big Don Griener April 28, 2004
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When someone puts his/hers fist upp your ass. (well, it's not up there)

person 1: -Fists-
person 2: Dude, did you just do the fisting on me?
by _lulz___ January 19, 2008
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Can often be used in place of "fuck", but is more fun to use because it is more unique.
by DJM October 8, 2003
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Getting a fist Rammed in your ASS really Really hard
Christy likes to fist her mom
by Senor coconut March 10, 2003
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An award of status given to people/objects who have committed an extreme and awesome act.
You are deserving of the full fist for your attempt to eat glass while drinking vomit.

or

Your weak effort earns you no fist!
by s.s. July 19, 2004
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The act of violating ones pussy or ass usually by a midget named jim aka shorty resulting in a handful of blood clots and ovaries or bowels.
Jim was double fisting Tamiko and his dad walked in.
by Seen it and puked. August 11, 2007
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Not dissimilar to grouper - but more enthusiastic/definite. A term of total non-endearment
"He is a massive fist" - probably some form of chav, gyspter, grouper etc.
by M_O_U_L_D June 4, 2004
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