"Fag" is said once. "Piss" is also used once.
Ass and piss are used
Tao calls Harry a "rich bellend" once.
Season 1 and 2 doesn't have much language but season 3 has more strong language.
The words "dick" and "shit" are used kinda often in Season 2, "fag" is used once in Season 1.
There isnt really any bad cursing, and when there is cursing its very little and not that bad of curses.
Forceful and rude language. Not always swearing but homophobic, manipulative and bullying.
"fuck" is said.
In the background, Tori says to Nick, "Your brother's a prick" after she overheard David saying some homophobic stuff about Charlie on the phone.