Lane Savage/Comedy Central

When a full impression is just too long, Ilana Glazer and Abbi Jacobson of Broad City recommend the ‘mico-impression.’

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The comedy duo joined David Letterman on The Late Show Thursday night, teaching the old dog a new trick with very brief impressions of Nicki Minaj and Rose from Titanic. 

 “My favorite impressions are just impressions in an instant, the essence of the person you’re trying to impersonate,” said Glazer. 

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She tackles Minaj, placing her in a diner (because she’s from Queens) gives her essence in a sandwich order. It’s good enough for Letterman to call her and Jacobson “comedy geniuses,” which is saying something. 

Check it out here: