Like yikes, yikeroni is an exclamation of surprises with a hint of disgust. But unlike yikes, it also suggests a hidden sarcasm or slightly more disgust.
Guy 1: yeah i was walking home and it was so cold i got frost on my face.
Guy 2: yikeroni man, that sucks.
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.