Hi! I am unaware of this but would love to learn more, I hear/and use this term daily with a lot of different people and this is news to me. Any resources you

Hi! I am unaware of this but would love to learn more, I hear/and use this term daily with a lot of different people and this is news to me. Any resources you can share for me to gain more knowledge around this? Also is there a term that is more acceptable we can use instead? Thanks!