Backhand Index Pointing Left: Light Skin Tone on Reddit

What it signals here

upvote context

Comments using this emoji to point at an above comment tend to get upvotes when the callout is clever or adds humor.

community use

Used in communities to highlight a specific part of a post or to redirect a discussion back to a key point.

subreddit meaning

Common in r/memes, r/facepalm, and r/therewasanattempt to point at the subject of ridicule in a post.

karma context

Pointing at one's own previous correct prediction or take in a thread is a karma-farming move: '👈🏻 called it.'

See it elsewhere