#1 TOP DEFINITION
남사친 — male friend (explicitly platonic). Shortened from 남자 사람 친구 (male person friend), as opposed to 남자친구 (boyfriend). The distinction matters in Korean social dynamics — having a 남사친 is culturally different from having a 남자친구. In K-pop shipping culture, fans debate whether member pairings are 남사친 level or something more.
Example
“She insisted he's just her 남사친 from the trainee days — fans with access to their old social media disagreed.”
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