Silba (en. Whistle)
/ˈsil.ba/
Slang Meanings
Whistling as a sign of approval or encouragement.
In the stadium, the fans began to whistle to cheer on their team.
En el estadio, los aficionados comenzaron a silbar para animar a su equipo.
Whistling to get someone's attention.
On the street, a boy whistled at the girl who was passing by.
En la calle, un chico le silbó a la chica que pasaba.