Thermometer on Reddit

What it signals here

upvote context

Upvoted posts about extreme weather events or fever/illness experiences commonly feature this emoji in their titles.

community use

Used in r/worldnews during climate stories, r/mildlyinfuriating for hot-weather complaints, and r/AskDoctors for fever questions.

subreddit meaning

In r/unpopularopinion, it's sometimes dropped sarcastically as a 'temperature check' on a bold take.

karma context

Posts using this emoji in heatwave or viral health threads tend to accumulate strong engagement karma.

See it elsewhere