Wow, This Is Your Room? refers to a series of memes in which Doomer Girl compliments Doomer on his room, which is decorated entirely with merchandise of a certain fandom, or otherwise reflects his obsession with a single interest.
On May 15th, Redditor maggfm posted a meme depicting Doomer Girl standing in Doomer’s a Minecraft-themed room, with Doomer Girl complimenting Doomer on it (meme authorship unconfirmed). The post received over 350 upvotes in /r/DoomerGvng subreddit in one month (shown below).
Also on May 15th, Facebook page Chivas De Guadalajara s h i t p o s t i n g posted the earliest known derivative of the original meme, with the post gaining over 670 reactions and 380 shares in one month (shown below).
On May 21st, 2020, Twitter user @TouhouIRL posted a Touhou Project meme which received over 1,400 retweets and 7,100 likes in three weeks (shown below).