A Koreaboo is someone who is not Korean but is obsessed with Korean music culture food etc, this is the Korean equivalent of a Japanese "weeaboo"
Guy 1: Hey did you see jeff? He just got another Korean band t shirt
Guy 2: wow, shame to see someone become a koreaboo
Guy 2: wow, shame to see someone become a koreaboo
by RetroMudkip January 14, 2017