Generation Gap

When someone has a big gap between their front two teeth. E.g. Michael Strahan

Did you see that girl's generation gap? Man it was huge.

by f the police October 29, 2010

Generational Gap

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!

by LACool July 28, 2018

Generation gap

In today's usage, it refers to a perceived gap between younger people and their parents or grandparents.

Generation gap should have been solved in the future

by Ryan900USAYT January 6, 2023