This is what you would say when Eren Yeager from Attack on Titan does something gay with you but he had socks on. This is usually when you assume the role of Armin Arlert from Attack on Titan.
“Eren what the hell is wrong with you?! Of course it still counts even if you did it with your socks on!”
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.