What is the slang word for something that is awesome and new to a particular field?
Something that is new and unique and that has a high probability that it will be famous after few years. I tried to google it but got nothing but some craps.
Any suggestion will be highly appreciated.

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This is one to watch

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emerging is used in the contemporary art or fashion field.
emerging also sometimes used in the music field.
rising is sometimes used to mean same as emerging in many fields "rising star" 
upcoming is another word you will find being used.

these are not really slang but more like currently used words used to describe someone​ about to" break through"

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words like that would change at a very rapid rate, and are different from generation to generation. 
Also, they would be different from one social group or area from another. and also different across different industries.

for Example on Facebook, they currently use the word 'trending', but Facebook​ is soon going to remove trending for another idea.

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"bleading edge"

BTW "some craps" is not good slang, craps is game of dice, you might just say "crap"

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thanks, guys for all the answers.