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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 18, 2007
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1. Attempting to fix something that is not broken.

2.Taking something that is working, and messing with it until it breaks.

3. Trying to perfect something, and ending up breaking it.
1. Wow, you fiddle fucked with the antenna and now the picture is worse than it was before.

2. Stop fiddle fucking with that, it looks fine, and your gonna ruin it.
by osamio October 31, 2010
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Fiddle Fuck-When one person or object pisses you off so much that using just the term 'fuck' will not be enough.
damn, she/he is being such a fiddle fuck!
by NYCi<3You June 19, 2010
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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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