Insta-karma is just a better sounding version of instant karma it is when someone does something either rude or something nice and then has something bad or something good happen to them almost instantaneously.
My sister called me a Jackass and on her way into the kitchen she slipped and fell on her ass, talk about Insta-karma
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.