Top Definition
Acronym for "Fuck Action -N- Train Action"; variation of the phrase "running the train" but F.A.N.T.A. describes a sexual experience involving at least 3 people; also known as orgy.
Bob: "So what's up with that girl you fucked last week? Does she have a friend for me to hook up with?"

Tom: "She said she did and that they're both down with the F.A.N.T.A.!!!"

Bob: "Well, fuck, dude, why haven't you called her? Lets get nasty!!!"
by Mike Low January 09, 2008

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1. Short version of fantastic
2. Way of showing understanding
'Ooo dude thats fantas!'
by noofruit March 04, 2006

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

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