인생샷 /in-saeng-shot/
Best photo of your life / Perfect shot
Combines 인생 (life) + 샷 (shot/photo). Refers to the best photo ever taken of you — the kind of shot so perfect you'd use it as a profile picture forever.
Examples
오늘 인생샷 건졌다
I got the best photo of my life today
여기서 인생샷 많이 나오더라
A lot of people get their best shots here