“Rubbing off the paint” refers to removing the serial number off of a gun so it cannot be traced back to the owner if there is a criminal investigation.
But I'm that nigga, I won't ever change, rubbing off the paint
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.