Sassy

Definition
Me, Emily

Lel-

Definition;
"Laugh extremely loud"
            or
"Laugh out loud / Lol" when the vowel 'o' is changed to an 'e'

Sasa/Sassawesasme-

A cross between the adjectives "Sass" and "Awesome".

Invented by the millionaire Matt.

(His unpaid assistant Emily may have had some influence).