Head Shaking Horizontally on Reddit

What it signals here

upvote context

Comments containing this emoji tend to get upvoted in threads where the OP said something universally questionable.

community use

Widely used across communities as shorthand for 'the audacity of this post' without requiring a typed response.

subreddit meaning

Particularly common in r/AmItheAsshole, r/mildlyinfuriating, and r/facepalm as a reaction to the subject of the post.

karma context

Single-emoji replies using this often gain karma in highly emotional threads where everyone feels the same way but no one wants to type it out.

See it elsewhere