A lifeless low IQ individual that spends their time being an obsessive fan of an athlete, musician, celebrity, product, brand, or sport's team. This is usually done because the individual is a failure and has nothing else going on their life so they live vicariously through a 3rd party celebrating the 3rd party's accomplishments as if they were their own. The individual abandons logic in favor of senselessly worshiping, supporting, and defending this 3rd party who couldn't care less about them. Unfortunately, the fan fuck fails to realize that behaving this way will only deteriorate their social standing further. A fan fuck generally has no independent accomplishments of their own which is seen as the gateway of becoming a fan fuck.
John: Hey did you see Bob defending Ronaldo for 3 hours on Twitter/YouTube/Facebook for the past 12 years?

Tom: Yeah, what a stupid fan fuck.

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Samantha: Why is Lisa so obsessed with Beyonce's life?

Sarah: Because she is a stupid fan fuck, who attempts to live vicariously through Beyonce's life and accomplishments.
by jellyoutfit March 2, 2020
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An absolute great time, or something that is absolutely cool.
Boy: Wow this is a great party!
Girl: Its fan fucking awesome!!!
Boy: You mean fan fucking tastic right?
Girl: Oh yea...but it is fan fucking awesome!!
by aquarius21 June 3, 2008
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An expression used in exasperation; hence "fucking" interjected betwen "fan" and "tabulous". Fan-fucking-tabulous implicates mild irritation with whatever the explative was directed at.
"Oh, fan-fucking-tabulous. The car won't start." Or even, "Well this is just fan-fucking-tabulous. -Now- she tells me she's pregnant."
by Fynn May 16, 2006
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Used to sarcastically describe something as fantastic. Originally from Penny Arcade.
"So how did your algebra test go? Was it hard?"
"No it was fan-fucking-tastic!"
by Blackmac October 28, 2003
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Something that is so good, you need the extra umph! in it.
How was the movie?
It was fan-fucking-tastic!
by Pepper005 November 21, 2010
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A word used to describe how good something is. One better than "Fantastic".
by John Gee May 9, 2008
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