If you've caught yourself saying "looksmaxxing," "crashout," or "Sunday scaries," you're officially using dictionary-approved words. Merriam-Webster just added 1,400 new words and definitions, including "cuffing season," "parasocial," "meme coin," "vibe coding," "rickroll," "shapewear," and "uncanny valley." The publisher says the new entries reflect words and meanings that have demonstrated widespread use over time, offering a window into the world today.