Meaning of capo di tutti capi in English:

capo di tutti capi

Pronunciation /ˈkapəʊ dɪ ˈtuːtɪ ˈkapɪ/

noun

US
  • A person who runs every branch of the Mafia in a region.

Origin

1960s; earliest use found in Newsday. From Italian capo di tutti capi, lit. ‘boss of all bosses’ from capo + di of + tutti, plural of tutto all + capi, plural of capo.