Household kwaito star Kelly Khumalo claimed to be a virgin back in 2006. Her racy image and in your face sexuality made a mockery of the claim. So "pulling a Kelly Khumalo" means pretending to be a virgin when you're not.
She really deceived him by pulling a Kelly Khumalo until he found out she was three months pregnant.
ayon kay Miss Smacked ika-24 ng Hulyo, 2012