What does favorite son mean

A favorite son, or a daughter is a political term.

Explanation:

At the quadrennial American national political party conventions, a state delegation sometimes nominates and votes for a candidate from the state, or less often from the state's region, who us not a viable candidate.

That is what favorite son means

Answer: if you are talking politics ... it's a term in politics referring to candidates preferred due to geography or familiarity.

Explanation: Need more info on your specific question.