인싸

inssa

What it means

A popular, sociable person — always in the middle of things.

Where it comes from

From English “insider.”

When you'd use it

Describing someone who knows everyone, or something trendy (인싸템).

Example

걔는 학교에서 완전 인싸야.She's super popular at school.

Careful

Casual — fine with friends, out of place in formal writing or with your boss.