ASL has some casual register signs that are simplified or single hand versions of complex signs [1] that only came about from people chatting more casually. The

ASL has some casual register signs that are simplified or single hand versions of complex signs [1] that only came about from people chatting more casually. The original version goes from being the only word, to being the formal word for that idea. I think humans just tend towards registers of communication, regardless of the medium. [1] https://www.lifeprint.com/asl101/lessons/lesson27.htm https://www.lifeprint.com/asl101/lessons/lesson27.htm