/in ves ti ba' shun/ n. (Portmanteau of "investigation" and "masturbation") An investigation with no hope of actually providing any answers, often to a question or case where the answer is already known, but not provable.
O.J. Simpson did not so much conduct an actual search for the "real killers" of Nicole Brown Simpson and Ron Goldman as he did an <i>investibation</i>.

President George W. Bush ordered an immediate <i>investibation</i> into the Valerie Plame leak, mainly to shut the public up.
by Mike Boomshadow August 20, 2007
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Investibation is when you put alot of time and effort into masturbating.
I had a lot of time on my hands yesterday, so I began an investibation.
by sullenfrag February 27, 2013
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The act of investigating a pornography site in order to determine it's quality (usually through masturbation).
"Give me the URL of that site, I'll investibate it later."
by cantstopwontstoppp April 16, 2009
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