isa, ra qvia imas

A human beings usually use this expression when they can't remember what they wanted to say exactly.

For example, when you can't remember the name of a croissant - "-isa, ra qvia imas, mogunuli roa xo?"
"mogunuli roa xo" - is a georgian expression and it describes a shape of a croissant.
the word - "mogunuli" is an adjective which can be translated as "bent".
"roa xo?" - is a single word phrase. We usually ask this phrase to a specific person to somehow remember a name of something.