When someone gets pissed at the rest of the world because they decided not to finish what they started and then depreciate themselves by getting stuck in Fuck-it Mode.
Dude, why is Lori so butt sore? Don't mind her, she's lost in fuck-it mode.
by Freelover April 04, 2010

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Top Definition
When a person's body/brain goes into overdrive and continues to push forward without stopping until they are done. 1) Notorious among college students pulling all nighters and 2) partygoer's that are down to do anything.
1) I have a test that I have to study for and a project that is due tomorrow...time to enter fuck it mode.

2) Friend 1: Do you wanna do a line off that strippers ass?

Friend 2: Helllll yaaaa! I'm in fuck it mode let's go!
by uDit November 13, 2013

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt