I'm currently learning British English slang from a british isekai, no way this could go wrong
@jann I Was Run Over By The TARDIS And Now I'm A Villainess Who Can't Stop Breaking My Enemies On A Catherine Wheel!
@jann The correct place to learn British slang is of course https://en.wikipedia.org/wiki/Roger%27s_Profanisaurus
Roger's Profanisaurus - Wikipedia