deducktion 

Da "brilliant" realization dat you arrive at in your mind after seeing dat da object in question looks, walks, and quacks exactly like da familiar water-fowl, and so da only obvious/rational conclusion is dat said extra-oily-feathered creature is indeed what it appears to be.

It really drives me up da wall how so many government bureaucrats take a month of Mondays to make even a simple deducktion, and then they finally say, "Well, whadduh ya know --- I guess it actually IS true dat ___! Amazing!"

deducktion by QuacksO January 18, 2020

Deduchional 

Used to describe a man who believes he is truly the most amazing creature on the planet. Regardless of his advanced age, hair (or lack of if), weight, skin type, high-pitched, whiny voice and Mr. Roper clothing, he feels he’s entitled to the perfect companion. In all his douche glory, he is not afraid to profess this sense of entitlement at bars, during dinner parties, at the office or on his personal Web site. Can also be used to describe a woman who shares the same delusions of grandeur.

Example 1:
“She’s hot. Let’s go—you’re gonna be my wingmen.”
“Dude, stop with the deduchional b.s. She wouldn’t talk to you if Justin Timberlake and Zac Efron were your wingmen.”

Example 2:
Sarah Palin said she is quitting her job to do a better job for Alaska. That is so deduchional.

Deduchional by Trish77 and 2e July 6, 2009

ducktionary

A dictionary of ducks. Also known as a ducklopedia.

Is that a dictionary?
No. It's a ducktionary. See? Here's the California Mallard.
AMAZING.

ducktionary by josh is jewish October 15, 2008

Black Dynamite Deduction 

Where one deduces a solution to a problem or mystery by taking one clue and bringing it to another in a long chain of paranoid connections until it leads to the conclusion. Named after the famous ''Anaconda Malt Liquor Conclusion Scene'' in Black Dynamite, where the titular character somehow realizes that Anaconda Malt liquor was the government's secret weapon after Bullhorn said "melt in your mouth", making several arbitrary connections until it led to the answer.

*Gasp* "Human being"? That word kind of sounds like "bean." Beans are legumes, "legumes" has the word "leg" in it. Ian's mom has really nice legs, and Ian's mom is so old she's practically dead, which can only mean one thing! Oh my Bieber! YOU'RE BECOMING A ZOMBIE!
--Anthony Padilla from Smosh using Black Dynamite Deduction to deduce that Ian Hecox is becoming a zombie

Black Dynamite Deduction by The Logical Fallacy July 16, 2016

COD Dedication Award 

While playing multiplayer Call of Duty, you ignore the urge to shit to try to finish the current match. You fail and drop a deuce in your pants.

Our team was behind two kills so I won the COD dedication award and frag two dudes with a grenade.

COD Dedication Award by bribo67 February 18, 2011

dedication 

noun. extreme or uncommon commitment to a task, people, or an ideal.

Mark has such a deep dedication to his work he once walked two miles in twenty inches of snow to open his office to customers (in a southern state with only a few snow plows).

dedication by ljthegreat January 10, 2011

Weapons of mass deduction 

Taxes or else other methods of removing the working people's hard earned cash. Typically utilized by the man, these weapons are a crime against humanity and a sin against nature.

Tom: Who in the name of Ayn Rand do the IRS think they are, taking my pay from me? I don't owe them two farts!

Dave: Too bad they have those bloody weapons of mass deduction.

Weapons of mass deduction by Colonel Duke Lacrosse December 1, 2011