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1.
A phrase that can potentially be used at the end of a sentence to potentially be an asshole.

Usually used after a fact or bold statement.
Dude Who Wants To Gain Knowledge: "Hey bro! What was the cause of extinction for dinosaurs?"

Asshole: "A large meteorite struck the earth, according to theory."

Or for even the more practical use:

Dude Who Wants To Gain Knowledge: "Hey what time does the movie start?"

Asshole: "7:05 according to theory."

Dude Who Wants To Gain Knowledge: "No need to be a douche"

Asshole: "Come at me bro!"
by BillCosby'sBrosef February 11, 2011