KoreAlo on Instagram: "😏Then what's OPPAAA~~ mean? The definition of Oppa(오빠) is "older brother" for women to call. There are many ways to use Oppa. 1. Actual brother Chin Oppa(친오빠) is your biological brother. 2. Male relatives Sachon oppa(사촌오빠) is an older male cousin. 3. Older male friends, upper classmates Yeopjip Oppa(옆집 오빠, Oppa who lives next door) Sunabe(선배, senior) can be Oppa(오빠) when they get closed. 4. Handsome guy There's a phrase in Korea "All handsome men are Oppa, (잘생기면 다 오빠다) Ag