From Wiktionary, the free dictionary
From moccio + -oso.
moccioso (feminine mocciosa, masculine plural mocciosi, feminine plural mocciose)
- snotty
- snotty-nosed
moccioso m (plural mocciosi, feminine mocciosa)
- (derogatory, slang) brat, a spoiled, obnoxious or arrogant child
- (by extension) toddler