Public Service Announcement
The symbol # has many names, including "hash". Using a hash to make a tag word easier to search makes the whole construct a "hashtag".
Because people say things like "check out hashtag 'learn'", people inferred that the # itself was spoken as "hashtag". This has led to some confusion in certain kinds of discussion.
r/traa post, may contain sensitive content (without image description)
Dr Longinus did a pretty good job https://redd.it/mka0l1
they/them 💖 24
silly cat enby
put it on the pizza