Cerciorarse (en. Make sure)

/ser-sjoˈɾaɾ-se/

Slang Meanings

To verify something informally.
I'm going to make sure that it will rain before going out.
Voy a cerciorarme de que va a llover antes de salir.
To make sure of something quickly.
Let me make sure in a second.
Déjame cerciorarme en un segundo.