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a skilla is someone with skills.

someone who "kills it".

a master of art or work.

a pro.

someone who is badss with their skillz.

someone who "beasts" it or "kills it" is a skilla.
"Josie's a photography skilla"

"your makeup's skilla. who did it?"

"who's that skilla DJ?"

"that solo's skilla"

"He's a skilla fo sho"

by the serg April 15, 2009
Individule who can show off someone with skills at something hence the name skilla
"You'll lose playin' him he's a skilla at that shit"
by Sal Espo May 06, 2005