Sound used often by Some People
peep-peep • Resembling the sound of a car horn, it is used to ask a person for permission to pass by when walking.
"El pasillo está muy lleno, vamos a llegar tarde a la clase." "Tú sígueme, yo abriré el camino. ¡Pip-pip!"
"The hall is very crowded, we are going to be late for class." "Follow me, I will lead the way. Pip-pip!"
3 out of 7 Spanish, Castilian speakers have heard this