To tinker with a complex machine in a seemingly random way until it finally works properly.
More than 5 of us had to fiddlefuck with the imaging unit for many hours before it started to work properly.
by Ole Gil October 19, 2007
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A rapid succession of miscommunications between any number of people occupying the same physical space.
All right, this is a fiddlefuck of a conversation.
by kyleglenn October 14, 2011
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The act of Fiddlefucking can mean a number of things.

1Wasting time
2Messing with something (attempting to fix something, mainly hands on)
3Performing certain sexual acts on such female.
1 Bob! Quit fiddlefucking around and lets go!
2 Im taking my car to the shop, Im tired of fiddlefucking with the spark-plugs.
3 Dude! I was so fiddlefucking Sally in the back seat of your car!
by Brandon W. July 12, 2006
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An insult. Doesnt really mean much, though one can assume the person you accuse of being a fiddlefucker infact has sex with fiddles. The Troma movie Tromeo and Juliet made this word popular upon its release.
"Who, Jim? Yeah, that guy is a Fiddlefucker."
by Lophius November 1, 2005
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a. To mess ("up", or "around")

b. Foreplay

c. Variant of "fiddlestick", which is a substitute of the word "fuck" - used as an exclamation
You make your own damn example, I have no time to fiddlefuck...

except with my boyfriend >:3


by Will Shakes March 21, 2009
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