Looking elegant or majestic AND sexy, literally or imaginatively, when nude; a variation of looking classy in your birthday suit. "Fanum" meaning "phantom", i.e. invisible clothes (naked), + "Tax" meaning "tux/tuxedo". Fanum tax is a connotation of the word "birthday suit", but the terms themselves are not equivalents.
Jamie: Stephanie is so classy and smart.
Arlie: She's always wearing unflattering clothes.
Jessica: But she still looks so good. She's so fanum tax.
Jamie & Arlie: For sure!
by lingolamb October 14, 2023
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When a friend or family member takes a part of your meal/snack, derived from Kai Cenat's fatass friend, Fanum.
Your fanum tax (slang) is now 20%!
by ipartlyenjoymonkeys October 31, 2023
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when you blow on her back without her knowing
Damn, I really gave Janice the "Fanum Tax" last night, it was awesome.
by Weldini October 12, 2023
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When someone is attractive enough that friends and family feel comfortable joking about them being ugly
That was a sick burn, but thanks to FANUM's razor, I'll take it as a compliment
by theFANUM January 28, 2021
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When someone gifts you something and it has the brand/logo of the person/company on it so that you advertise it for them making it a win/win situation.
Mr. beats gifts you a car with his logo on it that is a fanum tax.
by Nikk Ger November 1, 2023
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a silly goofy saying made by fanum when he takes people food

or when someone is just bein skibidi or goofy
Dont fanum tax me ;/
by ornageopiumcat October 18, 2023
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A twitch streamer named fanum who takes food from his members in the twitch group AMP.
"FANUM TAXXXX"
by armymoastaynetzien November 2, 2023
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