Meaning of mangiacake in English:

mangiacake

Pronunciation /ˈmʌndʒəˌkeɪk/

noun

informal, often derogatory Canadian
  • (among Canadians of Italian descent) a person who is not Italian.

    • ‘don't be a mangiacake and ask for grated cheese’

Origin

1970s from Italian mangiare ‘to eat’ + cake, apparently with dismissive reference to the type of food regarded as typically favoured by non-Italians in Canada.