Vulgar An intensifier, used to describe something unwanted or undesirable.
I fucking hate doing the cunting washing-up. Let's get a maid.
[Pazuzu to Chris MacNeil] Do you know what she did? Your cunting daughter?1973, William Peter Blatty, The Exorcist, spoken by Pazuzu (Mercedes McCambridge):
1 more example
Now, there's seven words you can't say on a TV set But this is the pissing fucking cunting internet2019, “George Carlin vs Richard Pryor”, Peter Shukoff, ZEALE, Jackie Tohn, Gary Anthony Williams, Lloyd Ahlquist (lyrics), Tone Jonez and Hollywood Legend Productions (music), performed by Epic Rap Battles of History: