Prohibited on Reddit

What it signals here

upvote context

Left as a standalone comment to downvote-by-emoji an opinion, functioning as a community veto without argument.

community use

Moderators use it in flair, post removals, and warning templates to visually signal rule enforcement.

subreddit meaning

In subreddits like r/AmItheAsshole and r/relationship_advice it marks behaviors called out as unacceptable.

karma context

Comments consisting solely of 🚫 in response to unpopular opinions often accumulate significant karma for their blunt simplicity.

See it elsewhere