She's just like me fr fr Explanation Although exaggerated for comedic effect, Bocchi frequently gets anxiety over very common worries, and many can sympathize with the focus of one of her many panic attacks.
Bocchi the EdgerunnerExplanation An image macro going around compares images from the show to images from Edgerunners, particularly Hitori's anxiety attacks and David's cyberpsychosis. The anxiety attack scene has also been edited to have "I Really Want To Stay At Your House" playing over the background, in another form of the joke. Also compared are the line of multiple Bocchis from the OP (Sandevistan), and Bocchi in the ice bath (Netrunner).
Album Covers.Explanation After episode 4 had the band looking for places for a photo and mimicking various album covers, fanart of the band matching other album covers became very popular
Tool/Have you listened to Tool today?Explanation During a chapter where the girls have to study for an upcoming test, Ryou attempts to prove she knows English to the others, but ends up just reciting the names of various bands—one of which is tool. This quickly caught on with /a/, who noticed that she fit the stereotype of the band's fans that already exist on /mu/ perfectly.
The scene where Hitori violently "glitches out" from stress at the mere thought of getting an Instagram account has frequently been used as a reaction gif, such as portraying someone after something stressful has happened or to represent someone's thoughts about an arduous task.
後藤さんチンポでかいのね~ Explanation "Gotoh-san chinpo dekai no ne!" Translated: "Gotoh-san's chinpo is so big!" A Japanese meme on Nico Nico Douga. A moment from episode 3 where Kita praises Bocchi's guitar skills was fan dubbed to say the above line, and the voice clip has since been subjected to various memes and Voice Clip Songs.
Kita Flipping the BirdExplanation In version 3 of the credits, chibi Kita is seen showing what is supposed to be either a thumb or index finger to the audience and doing a cute pose. However, due to the nature of the chibi hands, it's super easy to interpret as a middle finger, leading to a ton of fanart of Kita showing the middle finger, and the original animator acknowledging the meme on Twitter
Boccher Explanation A Fan Nickname used to refer to both the series and its protagonist, usually in an ironic fashion.
Roy, Dorito, Ikea Explanation In a similar vein to Boccher, these are usually ironic Fan Nicknames of Ryo, Nijika or her sister, and Kita.
Bocchi's color scheme Explanation Bocchi's very simple color palette (mostly pink with a touch of blue and yellow in her hair clips) make for something easily recognizable and replicated.
Kessoku Band's color scheme Explanation The easily-recognizable hair colors of the band in general (pink, blue, yellow, red) also led to fans jokingly "seeing" them in other settings.
Bocchi playing or spinning to Free Bird Explanation There are many videos featuring Bocchi that include the guitar solo in "Free Bird" by Lynyrd Skynyrd, such as having Bocchi play the solo on her guitar or having a 3D model of her spinning around while the solo plays. The 3D model will either be of herself or another form such as a tsuchinoko or a cube.
Nijika Deer Explanation A somewhat strange Japanese meme on Nico Nico Douga featuring Nijika with a deer's body. Mostly Surreal Humor digital paper doll-esque animations with with her making her "grrrr" sound from episode 4 and attacking Kita.
Nijika plays/goes to/in XExplanation Various videos of green-screened Nijika saying goodbye to Bocchi from episode 5 edited into various video games, with the punchline being her suffering some misfortune from the specific game shortly afterward.
Nijika's Dorito Explanation Nijika's Idiot Hair is often drawn very simply as a yellow triangle◊, leading fans to refer to it as a Dorito◊. This quickly led to Nijika (and Seika, who shares the same trait) being associated with Doritos, along with plenty of jokes about people trying to eat Nijika's hair, said hair literally being a Dorito, wondering if Nijika eating Doritos qualifies as cannibalism, etc.
#BocchiSweep Explanation A variant of the #MorbiusSweep meme that came about due to Bocchi the Rock's unexpected popularity and acclaim. Ascended when it literally swept the 2022 Anime Trending Awards by winning eight awards in the annual contest.
Kita is Filipina Explanation A popular meme on the r/BocchiTheRock subreddit is that Kita is from the Philippines, as her name is Tagalog for "see" and her personality fits many Filipino stereotypes.
As an extension to this meme, Ryo is Indonesian, Bocchi is Vietnamese, and Nijika is Thai Explanation The Indonesian president asking for money for Ryo, good at hiding a la the Vietnam War for Bocchi, and rounding out the band with another SEA country for Nijika
Bocchi the _____ Explanation The show's title is very exploitable. Just substitute "Rock" with any noun.
Bocchi the Cock Explanation A very unfortunate rhyme for Rock that is usually used to suggest that Bocchi is a futa. The Japanese have "Bocchinpo"
Bocchi the Racist/Bocchi the Gamer Explanation During an interview with Aoyama Yoshino, Bocchi's VA, she talks about how she played Among Us on international servers and trying to speak English, giving the example "You, you black/Black is no." Needless to say, the internet took it out of context. Sometimes crosses over with the "Racist K-On! fans" meme, as the two fandoms generally get along.
Bocchi is Pink GuyExplanation Several fans have compared◊ Bocchi to Pink Guy from The Filthy Frank Show.
Mendako BocchiExplanation An animation of Bocchi's octopus form (nicknamed "Mendako Bocchi") getting crushed by a waffle with a whistling noise spawned a lot of similar animations, usually involving all kinds of horrible things happening to Mendako Bocchi, or Mendako Bocchi giving off a high-pitched whistle whenever upset.
On art sites like pixiv, Mendako Bocchi (and Tsuchinoko Bocchi) is used like Yukkuri.
Bocchi "The Rock" Johnson.Explanation Given that the series' title is the same as Dwayne Johnson's pro-wrestling stage name, mashups of Bocchi and the wrestler/actor were all but assured.
"Bocchers" Explanation Considering her Hidden Buxom status, fans have taken to calling her assets this, along with fanartists drawing her breasts larger than even the mangaka does.