Rerun Y2K #15 answer

SONIC

Why SONIC is a Y2K word

Sega's blue blur headlined the Dreamcast years, attitude included. Gotta go fast.

About Rerun

Rerun is a free daily word game set in the culture of another time. Season 01 is Y2K: guess one late-’90s or 2000s word in six tries, with a category as your clue. A new puzzle unlocks every day at midnight Pacific.