Not fully developed as in a sense of body, mind and experience. Typically known as frigid.
I know you are an under-developed 18 year old.
8👍 5👎
An insult, coined by the Youtube channel Emkay, that originally was used to describe a fork that was not pointy, but slowly evolved into a unique insult that can be used universally.
Bob: "Bruh you Under-Developed Fork"