No explicit pornography, gore, or gross-out images
Gifs should be posted to /r/hmmmgifs
No memes, mashups or drawings/simple art
Use imgur/reddit for hosting
Submit high quality and cropped images
No looks-like images
Removal FAQ
Detailed Rules + Subreddit FAQ
Posts may be removed if not hmmm enough
guide to a good hmmm
hmmms are textless images that make you think about the context, do a double take, invoke a deeper meaning, or just leave you thinking about how or why they exist: