Simply meaning "yes" or "yay". This word is used at any occasion and at any time and place.
The word was mentioned on many Vines, and is being used by many Viners to imitate a "white girl". Some people use the word "yass" to create more of a "Starbucks, Chipotle, White girl".
Typically used in New England snow sports vernacular;
To wipe out in a grand or entertaining fashion, specially as a result of the unexpected snow conditions found on New England ski slopes.
*Friend fucking eats it out of nowhere*
Me: Yo you good?
Friend: I hit an divot and it double ejected my skis.
Me: Howβd you not see it?
Friend: Dude the lightβs so flat I canβt fucking see a thing.
Me: Bruh you got fucking yassed.
Friend: Bruh my lower back got fucking yassed. Iβm done for the day.