Okey dokey became Lucy MacLean's signature line in the Fallout television series released in 2024, adapted from the long running video game franchise. Played by Ella Purnell, Lucy repeats the phrase as a vault rule she lives by, and trailers and early episodes helped turn the short line into a widely clipped moment. Fans shared it across TikTok and gaming edits, where its polite tone became shorthand for cheerfully accepting a mission, challenge or terrible idea, keeping it in use long after the first season aired.