NG Button on Facebook

What it signals here

reaction meaning

Used in comments to signal disagreement or that something doesn't meet the mark, though most users don't know what it means.

comment use

Dropped by older millennials or tech-adjacent users familiar with its Japanese origin to flag bad content.

boomer interpretation

Many older Facebook users have no idea what this means and may interpret it as a random technical symbol.

group use

In quality-control or professional groups, used correctly to mark something as not passing review.

See it elsewhere