Mine is tough...
Maybe when all the characters were doing the meat dance?? That was funny,
“meat meat, meaty meat, put them together and you get meat, meat is god, energy times a thousand!!”
Also a lot of them are funny in context, like Tanaka’s voice saying
“you wanna fight? EH CITY BOIII?”
and then of course there’s
“Tooru Oikawa’s favorite food is milk bread! And his personal motto is if you’re gonna hit it, hit it till it breaks!!”