(little) friend, girlfriend
Ahí están don Juno y Nico, su amiguita sueca.
There are Don Juno and Nico, his little Swedish friend.
— La dolce vita (1960)
Sé lo que habéis hecho tú y tu amiguita.
I know what you and your little friend have done.
— Contratiempo (2017)
Incluyendo a su amiguita de allí.
Including her little friend from there.
— Avatar: Fuego y ceniza (2025)
Un poco de consejo, sobre tu amiguita.
A little advice, about your little friend.