A guy/girl in law school who volunteers an answer and saves you from getting called on. While his/her answer is annoying, and he/she is a douche bag, they are serving a purpose. Hence, a purpouche - purposefuly douche bag.
"I didn't read that case and hope I don't get called on, thank god for all that purpouche."
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.