Related Clues:
- Noticeable opening
- Smile feature for David Letterman
- '90s collegian, probably
- MTV generation
- Boomers' followers
- Gen ___ (boomers' kids)
- Gen -- (post-'65 arrival)
- Break in continuity
- Space between things
- A breach or pass
- A break or opening as in a hedge
- Open space between two things
- A break in something continuous, like a hedge
- Breach or lacuna
- A small parting, in hedge or teeth