Spleskun hui

A very polite way to call your friends in bulgarian.
It can also be used in a very serious and formal conversation.

Ivan: Zdrasti Gosho.
Gosho: Kak si spleskun hui.

(In a formal conversation)
Mr. Petrov: Zashto iskate da rabotite v tozi magazin?
Mr. Asenov: Shtot mi trqbvat pari be splesku hui.