Jellyfisting refers to anal fisting aided by the use of Welch's Concorde Grape Jelly as ass grease. Women love this. Just ask them.
I had a black nigga chick over last night, and after I came in her asshole I started jellyfisting her until she came all over the walls. It was purple.
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.