She's probably just washing herself. Cats use their tongues to bathe themselves, including their genital area. If she is paying an undue amount of attention to the area -- if you are always seeing her licking her genitals -- then you should take her to the vet to make sure nothing's wrong.
You probbably have cancer.
Licking, or "giving a licking" means whipping, beating, or spanking. It's a slang term, not a literal description of licking with your tongue.
Cowboys loved a colorful phrase! A licking is a beating. The image is of "licking" with the end of a whip.
You're ill. Get to the doctors.
Loabing - Licking out the ear.
Nostrilising - Licking out the nostril.
You might have got soap inside your private or something else
This question is inappropriate
I think it means Rolling On the Floor Licking...
ball licking sucking
Licking Ladies Snatches..
See a psychologist.