notadictionary.com
Copa do Mundo es 20% fútbol y 80% renco colonial.
→ “World Cup is 20% football and 80% colonial resentment.”
Copa [kāpā] — Cup — like a trophy or championship. Here, it's the 'World Cup'.
do [de] — of — shows possession or association. 'Of the World'.
Mundo [mùndu] — World — literally 'world'. Used here as part of the famous tournament name.
es — is — linking verb. 'It is'.
20% — twenty percent — a fraction of the whole.
fútbol [fút'bol] — football — the sport everyone loves. In Spain and Latin America, this is what 'football' means (unlike in the UK where it's 'soccer').
y — and — connects two parts of the sentence.
80% — eighty percent — the majority of the sentiment being described.
rencor [rèncó] — resentment — a deep feeling of anger or bitterness. Here, it's tied to historical injustices.
colonial [kōnlìxiàl] — colonial — referring to the era when European powers ruled over other lands. It's the source of the 'resentment'.