When your sister posts naked pics of herself on the internet, then claims you don't understand the industry she is in.
-Hey Fred, out in L.A., we use those pics for our industry, you just don't understand! There must be a Generational Gap.
-But Rebecca, you work in Social Media!
A term for a person with a massive gap between their nose and mouth. They're also a very annoying person and is fake. They use their friends for drama. They also get desperate when you ignore them.
"OH, MY GOD. I literally hate biggap so much. She gets on my nerves!!"