Waving Hand: Light Skin Tone on Reddit

What it signals here

upvote context

Occasionally used in highly upvoted welcoming comments in onboarding subreddits.

community use

Used in community introduction posts or AMAs to open with a friendly tone.

subreddit meaning

Common in r/CasualConversation, r/MakeNewFriendsHere, and similar social subreddits as a literal greeting.

karma context

Low karma-signaling emoji on Reddit — considered sincere and simple rather than ironic or witty.

See it elsewhere