Korean Slang
모태솔로
motae sollo
What it means
Someone who has never dated.
Where it comes from
모태 (from the womb) + 솔로 (single).
When you'd use it
Self-deprecating jokes about your love life.
Example
나 모태솔로라 그런 거 잘 몰라.I've never dated, so I don't know about that stuff.
Careful
Fine about yourself; teasing others with it can hurt.