An excuse for taking part in an abnormal, surprising, or otherwise strange activity due to the stress relief and joy of the week being complete on a Friday night.
1. George: "Dude, what the Hell are you riding a scooter around town with a pizza at midnight for?!!"

You: "It's Fuckin' Friday, George. It's Fuckin' Friday."

2. George: "Why the Hell are you going to jump off of that bridge dude?!!"

You: "It's Fuckin' Friday, George. It's Fuckin' Friday."
by IKatD June 12, 2010
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n. A weekly holiday in which all participants say the word "fuck" as much as possible
Person 1: "Dude, what day is it?"
Person 2: "It's fuckin friday, fucktard."
Person 3: "Oh fuck, it is fuckin friday."
by teh1337c September 18, 2010
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