When you shit your pants and especially when you have to sit in it (like in a car stuck in traffic) and you can feel the shit between your buttcheeks (buns).
I couldn't hold it any longer, I made a hot mudburger in my shorts.
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.