Mostraban (en. They showed)

/mos'traβan/

Slang Meanings

To show something ostentatiously.
At the party, they were showing off their wealth with jewelry and cars.
En la fiesta, estaban mostrando su riqueza con joyas y coches.
To reveal secret information.
Don't tell him your secret; I don't want him to show it to everyone.
No le cuentes tu secreto, no quiero que lo mostraban a todos.