mondo
Concise Oxford English Dictionary © 2008 Oxford University Press:
mondo /ˈmɒndəʊ/
▶adverb & adjective informal, chiefly US (often with a pseudo-Italian noun or adjective) very striking or remarkable: mondo bizarro.
– origin from Ital. Mondo Cane, lit. ‘dog's world’, the title of a film (1961) depicting bizarre behaviour.
'mondo' also found in these Oxford entries:

