Used to describe physical size of a person relative to Derek; specifically meant to emphasize how muscular the person is. Obviously depending on the Derek and the current physical condition of said Derek, this definition has a very loose range of specificity.
James: Wow, you're doing 190 on the Pec Flys? I guess I momentarily forgot the definition of derenormous.
Derek: DERENORMOUS!
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.