뇌피셜 (noepisyeol)
What 뇌피셜 means
A personal theory presented like fact.
When Koreans use it
Flag an idea as your own speculation when you do not have evidence.
A short conversation
Korean
A: 다음 편에 돌아온다는 건 공식이야?
B: 아니, 그냥 내 뇌피셜이야.
English
A: Is it official that he returns next episode?
B: No, it’s just my theory.
Use it with care
Combines 뇌 and 오피셜. Clearly distinguish a guess from confirmed information.
From Korean Your Teacher Doesn’t Teach You by Injin Hwang. The meaning, usage, dialogue, and notes above follow the author’s book.
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