Ok, I got
/vdj/ by mythic
/holox/ by twitch (probably refering La+)
/pyon/ by her own oshi (?)
/uuu/ by Fauna (we cannot be friends)
/mogu/ by diet (fatto catto)
/fvr/ by Tenma (something about telling pippa to stop it [IDK the full story])
/warkop/ by
>>58752761/doog/ by ??? (don't know why there's a IRL dog there)
/hirys/ by ?????? (don't know)
hololive global by
>>58752857/lig/ by corpos (specifically by hololive)
/pcg/ by that one guy who "hinted" pippa was with him (AFAIK)
/tsunx/ by Phase Connect (poaching their previous talant
/nasfaqg/ by "ohhhhhh I have to shit"
vrt/ by the red ring of death
/#/ by their own girl (????)
/hfz/ by ????
/vtwbg/ by their own squirrels (never went to that thread)
/ggg/ by their oshi not streaming
/nijiEN/ by graduations
/manstars/ (speciafically /mans/) by magni and vesper graduating
/wvt/ by KFC (our chicken life, probably)
/aa+corpo/ (specifically Akio AIR) by some underage controversy (????)
/hag/ by lolis (and most likely /uoh/ too)
/ybc/ by ????? (never went there)
/rrat/ by Roberu (Bae's oshi)
/who/ by ????? (IDK)
/774/ by Patra (???)
/morig/ (or how they do it, as /森カリオペ /) by Mario Party (the "if Mori wins, last place graduates" curse)
/2434/ (/niji/) by the Yatch (2%)
/skynetFC/ by John connor (terminator reference)
/wah/ by Ayame (Ayame racist copypasta)
/choc/ by Flare (I think it's becuase her chubba self [see bleached hag as example[)
/mayo/ won
/jidf/ by ??????? (no idea, probably what
>>58754625 said, but I'm not into researching that
/pink/ by green chubbas (mostly in contrast of /uuu/ being on the final)
/asp/ by discord (I think it's about their PNGs)
/lia/ by ????????? (I thought it was going to be with pic related)
/apg/ by ???????? (no idea) and
/fig/ by ????? (not into fighting games)
that's what I got.