He showed us around the house while 'talking nineteen to the dozen'. [=('US') 'talking a blue streak']
People entered the park 'by/in the dozens'. [=large groups of people entered the park]
We'll need a couple 'dozen' hot dogs for the party. [=we will need about 24 hot dogs]
(..) No, I'm not. That's what they all say. Shall we talk? Bit risky, wasn't it? Took me away under the eye of about half a dozen policemen. They're not that stupid. And Mrs Hudson will remember you. You call that a risk? Nah... This...is a risk. Oh, I like this bit. (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1