It's also the short hand for Young Adult fiction (YA fiction or just YA). It's a genre for sub-18 readers.
For a lot of people, both the YA and fantasy fiction are the same genre, but that's not!
by Davliu December 11, 2018
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Abbreviated form of "you" in writing and in speech.
by fjorab September 25, 2003
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The most annoying thing said by the average white American teenage girl on a regular bases. It shows the faults in today's generations.
by Hitler the Grammar NAZI April 3, 2016
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A word most koreans use to get your attention or to get mad at you. The more Ya's you get in one sentence intensifies how angry they are at you

Ya YA, Get back to work
ya, you over there
Ya, YA ,YA you late for work
by Kristoffera July 12, 2006
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the overwheleming approval of a proposal or item

IN ENGLISH TURMS "YAS" WAS A SLANG IN OLD TIME USE'D AS YES. NOW WE USE THE WORD 'YAS' FOR A STRONGER TONE OF THE WORD YES!
by Andrew January 27, 2004
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In California: Abbreviation for Youth Authority aka California Youth Authority. Juvenile prison system in Cali.
I just got outta YA for that drive-by...let's go kill some hoes dog!
by oregafro December 10, 2006
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