Some born in the country of Argentina

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.

To have your bum waxed ...in a similar way that a Braziaian is a waxed pubic area an Argentinian is a waxed bum.

Typically done prior to medical proceedures in or around the anus (eg piles). Also called an Auggie for short.