내돈내산
naedon-naesan
Bought with my own money — a genuine, unsponsored review.
OriginShort for 내 돈 주고 내가 산.
When to useMarking a review as honest, not an ad.
CarefulVery common in online reviews.
Examples
내돈내산 후기인데 이 청소기 진짜 좋아요.
Honest review, bought it myself — this vacuum is great.