A small store that may sell beer, wine, chips, penny candy, and other usually small items. Similar to the stores that you might find at a gas station, a convenience store, or maybe a 7 Eleven, but usually tucked away within a neighborhood and not as well stocked.
I'm going to walk down to the Pony Keg and get some Doritos.
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.