Pakalla - A word that means you’re pretending to be Mexican but you’re

A word that means you’re pretending to be Mexican but you’re just trying to sound smart.

He called me Pakalla in front of my mom and now I’m mad.

At the restaurant, the waiter said Pakalla and I didn’t know what that meant.

I tried to use Pakalla in a speech and it sounded like I was talking to a goat.