Pericia (en. Expertise)

/peˈɾiθja/

Slang Meanings

Colloquial use to refer to someone very good at something.
That person has a lot of expertise with cars; he always fixes the problems.
Esa persona tiene mucha pericia con los coches, siempre arregla los problemas.
Having 'expertise' in a subject may refer to being an expert or a very enthusiastic amateur.
He's a photography whiz; he always takes his camera everywhere.
Es un perico de la fotografía, siempre lleva su cámara a todos lados.