Kissing Face on Reddit

What it signals here

upvote context

Occasionally appears in comments to ironically or sincerely compliment a clever or sweet post.

community use

Used in wholesome and relationship subreddits as a sweet, non-threatening affectionate signal.

subreddit meaning

In r/wholesomememes or r/aww it reads as genuine; in r/relationship_advice it may signal sarcasm or dismissiveness.

karma context

Low-karma posts sometimes use this emoji to seem more personable and less confrontational in comment threads.

See it elsewhere