A phrase used generally to replace the name of someone when you have forgotten who you were going to talk about. This is similar to What's his face? or What's her face?, but usually catches the other person off guard.
Guy 1: So what are you doing for Labor Day this year?
Guy 2: Oh you know, I'm going home to play a game of football with what's his nuts, the guy who always ran an extra mile after gym practice.
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.