A word used to express extreme excitement, usually followed by a swift fist pump. Can also be used to agree with someone who has a great idea.
I had sex with two girls last night! YAAAS!

"Man, I'm so hungry....let's go to taco bell"
by katienedsfilthyfilms July 29, 2010
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Yaaas(n) is a Finish word that translate to "Mother Of Horses" in English. It is commonly mis used by millennials, especially those of the basic white bitch variety
by Mr. Kreemy June 24, 2017
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when something amazing happens and your just like YAAAS.
someone hands you a ticket to a concert you say "YAAAS"
by Jerry474 May 8, 2018
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What kids say when they get hit in the head with a basketball.
*Gets hit with basketball* YAAA
by Metalliffle May 17, 2018
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You Are An Asshole
pronounced "Ye ah uh ah"
Sounds affirmative, is pejorative.

Nothing better for that asshole in your life, maintain that pleasant face and say it loud enough for others to hear, so everyone knows the truth about the double-caf, triple shot, skinny, mocha-chino ordering assholes true hipness.
Frequent demanding customerdupe: Last time I asked for an everything bagel and I got a plain bagel, make sure I get the everything bagel this time, please.

Ever helpful counter help: YAAA! We'll be sure to get it right this time!

Dupe gets what they deserve and everyone working at the deli gets to hear you call that bitch customer an asshole and receive a smile in return.
by evil ian June 10, 2009
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someones mother, perferably a hoe (haa)
omars yaaa is a stanky slut.
by da real danyal September 8, 2008
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