Something so amazing that it makes your penis produce sperm without ever going erect.
That movie was cumtastic!
by ...And Then I Stabbed Him August 14, 2009

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Top Definition
when something is so amazing that u cum.
franki: that was incredible
joe: i just cummed my pants
franki: that was friggin cumtastic
by samuel adams January 27, 2005

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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so amazingly overwhelming, that it is orgasmic.
Oh my god this is soooooo cumtastic!!!!!!
by ME!! February 22, 2005

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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

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So immensely fantastic & sexy, it will make you cum.
This new movie is just cumtastic!
by Camradal November 30, 2003

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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it is when you feel orgasmic and fantastic at the same time. it a like a burst of happiness and cumingness.
i feel cumtastic when i see ashleys tities.
it makes me wanna burst out a huge orgasm and shoot skeet flames all over her
by ballslsls July 19, 2008

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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a description of something that will make you cum easily. usually a person or a random object (only used with sarcasm). It comes from the word fantastic.
this girls booty is cumtastic!
by fewofhewoghfwiei May 20, 2011

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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Where you watch a good hentai video over and over. Cumming so much that your balls/pussy hurts to where it's gotten everywhere and you try to cum again but all that happens is muscle and hurts like HELL!
Oh my god! Ohmygodohohohmygodohmygod!!!! Agh! It's in the cats eye! On the ceiling! In microwave! Agh in my eye! Agh I can't do it no more! aaaaaaghghagahgahag!!!!!!! I don't have any napkins!!!! I'll have to use my mouth! The horror! It's cumtastic!!
by Tubba bubba May 16, 2011

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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.

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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.

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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