Chavo
Mexican slang for boy/girl
Refers to young people, typically teenagers or young adults. 'Chavo' is for males and 'chava' for females.
Ese chavo siempre está jugando fútbol.
That boy is always playing soccer.
Conocí a una chava muy simpática en la fiesta.
I met a very nice girl at the party.
Los chavos de hoy en día ya no usan facebook.
The kids these days don't use facebook anymore.