Ok Hand on Reddit

What it signals here

upvote context

Used in comments to sarcastically validate an absurd or terrible take, functioning as a ironic upvote.

community use

Common in reply chains where someone makes a good point and others signal silent agreement.

subreddit meaning

In meme subreddits it reads as ironic; in advice or hobby subs it reads as genuine approval.

karma context

High-karma comments sometimes end with 👌 to punctuate a witty or definitive statement.

See it elsewhere