"Fanto" means "fantastic," but with real enthusiasm; not the kind of "fantastic" you might say to just anyone, but to your real and true best friend when he/she does something extraordinary. It must always be shouted.
Friend: Hey, check out this pizza I bought for you. It is on a thin crust, and is topped with extra heapings of sausage, onion, and green pepper.

Me: FANTO!!!
by River-Rat-Red December 31, 2016
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Darius look-a-like aka. Boy band reject.
Homo tendecies and rent boy skills. To be crap at CS.
Stop being such fanto.
H from Steps is a fanto
OMG stop playing like fanto you spaz.
by Anonymous May 05, 2003
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A guy's crush or girlfriend. An informal Hindi word primarily used in Northern parts of India, around Delhi.
Guy 1: Teri fanto ko subah us dusre chhokre ke saath dekha apun ... (Bro, I saw your darling with that other guy this morning)

Guy 2: Uski to, abhi maa behen ek karta hoon. (Wait what, I'll teach that bitch a lesson right away)
by Its.Mr.A August 05, 2017
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