Na maika ti putkata
A very polite greeting from Bulgaria, but it's only useful if you're royalty or you're really into being fancy.
The queen said 'Na maika ti putkata' to the king, even though he forgot their anniversary.
He used 'Na maika ti putkata' to greet the janitor, who just yelled at him.
The kid said 'Na maika ti putkata' to the principal, who gave him a detention.