Almost every episode has profanity.
"Fuck" and "shit" are mostly used, yet in recent years they have been censored with bleeps.
Numerous uses of "God dammit".
The word "retard" was used quite liberally in early episodes/seasons, from regular use to subseries titles ("Guards 'n Retards", "Retarded64"). This has since been curtailed and censored in recent years.
The series extremely frequently uses the term, "Hell", and sometimes even goes as far as to be sacrilegious by including Satan as an actual character.
At a few points in some of the earlier episodes, certain characters talk about Adolf Hitler in a somewhat positive light.
Stupid mario's catch phrases include "time to move your pingas(penis)" and "mama fucka"
Since the show is based on memes, it will 100% contain language, things like "what the fuck" "wow, what an asshole" and other
"Fuck" and "shit" are censored usually in 2020 episodes, but "bitch", "ass", "crap" and more are uncensored.
Moderate level language, "ass", "crap", "damn", "son of a bitch", "bitch", "fuck" (bleeped), "shit" (bleeped), "the n-word"(bleeped), "dick," "mofo," and "motherfucker" (bleeped).
Most language is bleeped out except for the s word and a word
Mild profanity includes "hell," "damn," "bastard," "ass," "piss" and "crap." Moderate profanity includes "bitch/son of a bitch," "goddamn," "dumbass/badass/asshole/smartass/jackass," "dick"/"dickhead," "pussy," "prick," "balls," "tits," "bullcrap/bullshit," "cock," and "whore." Severe profane words like "shit," "fuck/motherfucker," although the strong swear words are censored.
All profanity are used throughout when characters get surprised of comic relief or angry as insults for reason. (This include with the memes.)
"God", "Jesus" and "Christ" isn't profane, but it is uses of religion exclamations.