GenY2K
The youngest millennials and oldest GenZ (born a couple years before or after 2000) that don't quite resonate fully with millennials or GenZ. They don't really fit in to either generation but simply exist in the in-between.
"bruh didn't know what 'bussin' meant, that is so GenY2K energy."
"Eh, they're hanging out by themselves, typical GenY2K"
"Eh, they're hanging out by themselves, typical GenY2K"