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".

1. noun. It is the sudden feeling of an inexplicable joy one gets when something romantic or idealistic occurs.

When kilig, one may experience the following:

*butterflies in one's stomach
*heart melting
*shivers down one's spine
*irrepressible noises from one's mouth
*uncontrollable smiling
*an inner conflict between hope of something wished for and reality

Kilig may also be defined as that mountain top, floating, on cloud nine, invincible, i-could-keep-smiling, heart aching goodness and feeling which overpowers the mind's ability to think straight, act straight, breathe properly and articulate thoughts into a single comprehensible sentence.

Scottish way of saying Yes ( in celebration)

another word that is similar is Yaldi

"yass" is the most annoying way of saying yes. it doesn't stand for anything, but if you ever see somebody saying yass, just tell them this:

a word that is only commonly used by flamboyant males or minion loving females

A term that only fucking stupid people use. Like Rachel's , Britney's , Jaclyn's , Duffy's and etc.

Yass - Internet slang for yes, a celebratory slang