An incestigation is a sham investigation conducted by a government agency that has been thoroughly corrupted by the the company or entity it is looking into.

The FCC is conducting an incestigation into Verizon and AT&T rate hikes.
by Ontario Mike September 14, 2008
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When a sibling detective squad hooks up with each other during or after an investigation.
After solving the Mystery of the mysterious mystery, The Hardy Boys went back to their place to Incestigate. All Night Long.
by androoxc November 2, 2009
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The act of passionately searching for phat loots for the game World of Warcraft.
What drops in that instance? I shall incestigate for the drops!
by MainTankRespectIt February 8, 2007
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An investigation in regards to rumors of blood-related family members involved in sexual relations
We have conducted an incestigation to determine whether or not the rumors of you dating your sister were true or not.
by ByteMei November 18, 2019
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Guy: “No!! Mister! I think my sister and brother are fucking!”
Incestigator: “Ah fuck, not again. I’m putting a bloody stop to this.”
by YTB - Yeah The Boys November 24, 2019
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When you have attempted to use the word “investigate” to a friend or family member, but did not spot what may be the worst typo of all time.
You could have preemptively corrected the “incestigatetypo if you had investigated.
by —-@-@— July 20, 2020
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When a person checks out a blood relative and thinks, "man, I could totally bang them!"
The candidate incestigated his daughter and said he could date her if they were not related.
by MalevolentCreation July 27, 2018
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