Celos (en. Jealousy)

/ˈθelos/

Slang Meanings

To make advances on someone
If you see your partner talking to someone else, you might feel that they are making advances on them.
Si ves a tu pareja hablando con alguien más, puedes sentir que le están echando los perros.
To get jealous
He got jealous when he saw his friend talking to his girlfriend.
Se puso celoso cuando vio a su amigo hablar con su novia.