Omo de panza omo de sostanza

When eating well, and with some regularity, it is an indication of human power.
And when the physical aspect makes sense of a social position of a certain value.

Stai a cercà Maria pe Roma?

One might think to the logical and literal meaning: waste time, pursuing useless and difficult task to accomplish (imagine how many girls named Maria live in Rome), however, it is more commonly used to ask provocatively if “you” are looking for trouble, probably because whoever pursues an unlikely goal is a “time-waster”, and sometimes this kind of people having nothing to do, just look for or create problems.

Bono come er pane

This is easy to understand. It also adds a positive sense of being comfortable with simple and universally good things.
Otherwise, it could be said “as good as a dish of spaghetti all’amatriciana” but it would not have the same nuance.

Peggio che anna’ de notte

This indicates a negative situation, generally comparing it to a previous one. Even then, in Rome is not so dangerous to hang around at night in most neighborhoods!

Me so dovuto inventa li draghi

In order to achieve a certain result I used unthinkable and uncommon solutions.

Ma che c ho i pupazzetti in faccia?

You can say so in case someone looks at us and laughs, which however is better not to do, as it could be disrespectful.

Nun t’allargà

A clear and precise notice that strongly recommends not to exaggerate in words and / or behaviors.

Tira na Gianna

Probably the tramontana. A cold and sharp wind that is given a common name (Gianna) because it is a familiar presence mostly in winter-time.