Each of these subreddits has more than 800K subscribers -- it's possible, but hi...

Each of these subreddits has more than 800K subscribers -- it's possible, but highly unlikely you'll see something truly strange from there.

A good place to start is a smaller subreddit. Here, I'll link two of my favorites just for the hell of it:

Side note: I think the article meant weird as in "obscure".

Personally, I'd describe weird internet content as something you wouldn't show to your friends (except if you're close, of course.)