Backhand Index Pointing Up: Medium-light Skin Tone on Reddit

What it signals here

upvote context

Used ironically as a text-based upvote alternative in comments, pointing up to the original post.

community use

Comment threads use it to cosign the top comment or to indicate the best answer in a thread.

subreddit meaning

In subreddits like r/AskReddit, used to second an answer posted above.

karma context

Sometimes used humorously to claim credit for a popular comment higher in the thread.

See it elsewhere