/r/woof_irl: woof_irl: for the pupper in u - for the puppy in u. | a subreddit for posting pictures of dogs that people can look at and go "oh same, dog, same." - January 24, 2020 - 19:06
/r/Zoomies: /r/Zoomies - Animals excitedly running and playing. - May 19, 2019 - 22:57
/r/Frat: Frat - Because reddit is the anti-frat - October 1, 2017 - 15:49