The most awesome person in the world. There are no other definitions for Jassa other than this. Someone who is a Jassa usually is brown and has a big penis.
"Yoo, who's that guy with the big bulge in his pants? "

"That's Jassa"
by Beast42 September 1, 2013
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A pretty, beautiful, amazing gorgeous girl! She makes people happy and is loving. She has a boyfriend and he’s soon to be her husband, they will have kids and a lovely future!
jassa has a boyfriend
by guccigangtimmy3000 May 29, 2022
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