Best definition
A word used out of excitement of a situation. Becomes natural after a while. A more vibrant form of yes

Just got an A on my math test. Yasss!

Just got asked to Prom. Yasss!

Moms bought oreos at the store. Yasss!

Yasss: define #2
Bird language.

For ratchet girls who cannot pronounce “yess” ..

Just got my weave done , Yassssss!
Yasss: define #3
The cringy white girl version of ‘yes’.
‘omg Asking Alexandria omg Pikachu omg Undertale omg Smosh yasss’
Yasss: define #4
To be greatly excited at the prospect or in hindsight of an event.
Yasssssss Scud theres something sticky on your back, whatever could it be?
Yasss: define #5
a different way of saying Yes, mostly used by uneducated, ghetto, ratchet ass hoes who most likely don’t know how to spell Yes
Amy: Does this dress look good on me?

Kylie: Yasss bitch, yasss!
Yasss: define #6
a word of excitement used by a female
girl you going to the party?

yasss! you already know!
Yasss: define #7
a fun, crazy way of saying yes and/or showing excitement
Chad: “Are you ready for the club tonight?”

Jessica: “Yasss! Can’t wait!!”