A fork of Rural Dictionary
Boring ass 90 year old Greek Mathematician whose actual name isn't even billy.
Person 1 : which teacher do we have tomorrow morning?
Person 2 : Billy-Kasas
Person 1: fml
A way to say a girl is ugly or looks disgusting.
Eww look at that girl she looks like a kasa.
the best uber in the hit game The Battle Cats as well as the best anti black and angel unit.
person 1:hey how do i beat gestalt decay
person 2:wow yoy suck use kasa jizo