Korean Slang
아싸
assa
What it means
A loner, someone outside the crowd.
Where it comes from
From English “outsider.”
When you'd use it
Usually about yourself, jokingly.
Example
나는 점심도 혼자 먹는 아싸야.I'm such a loner I even eat lunch alone.
Careful
Calling someone else 아싸 can sound mean.