뇌피셜腦피셜 (골 뇌)
noepisyeol
ENasserting one's opinion as if it was the widely accepted fact (especially when the claim is unsubstantiated)
명사
Ne'e sala? Hatete mai ami / 틀렸나요? 알려 주세요
야, 이거 걍 뇌피셜임.
Hey, it's just a speculation.