the plot thickens
Definition of the plot thickens
—used to say that the story in a novel, movie, etc., becomes more complicated or interesting The plot thickens when the audience learns that the missing woman used to work for the FBI. ; sometimes used in a usually humorous way to talk about things that happen in real life So you've worked with him before? Ah, the plot thickens.
Word by Word Definitions
: to become dense
: to become concentrated in numbers, mass, or frequency
: to grow blurred or obscure
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