Question for any OLD people here: able to verify that nobody used the word "gaslight" as a verb until around 2016?
In this movie Lucy tells Desi "don't gaslight me" when confronting him about infidelity. Gaslight was an decade old movie by the time this scene in the movie takes place. There's no reason to believe it made any kind of cultural impact to an extent that people would using the title as a verb 10 years later (random films and actors win Academy awards every year; their movies don't regularly become verbs).
It took an absolutely massive national media propaganda campaign around presidential election and politics involving Trump, for the word gaslight to ever be injected into the popular culture zeitgeist enough for it to be used as a word by essentially anyone in the modern era - and describing a movie that almost nobody alive now has still ever watched. Still, zoomers are more likely to use it than anyone else, outside of political activists.
It stretches the limits of credulity to believe that Lucy would tell Desi that; it strikes me as an unintentional modern slang written into this movie.
Any old people here want to answer if they'd EVER heard "gaslight" be used before Trump ran for office - much less in a commonly-used manner consistent to the way someone like Lucille Ball would be saying it here?
By the way this was a good watch of a movie.. do recommend, for anyone familiar with I Love Lucy or just like Nicole Kidman or Javier Bardem; they really make the movie.