Maritime Provençal
A uno bravo cagno.
Meaning
He has a fine cool nerve.
Note : Cagno is a word that often gives rise to a Provençalism when one says: fai la cagne.
Theme
Source : La Tour-Keyrié, Recueil de proverbes provençaux (1882), Gallica — public domain. Maritime Mistralian normalisation by Lingua Nostra.