swallow the dictionary

swallow the dictionary

To have and utilize a very extensive vocabulary; to use a variety of long, complicated, or uncommon words in one's speech. She must have swallowed a dictionary, because it was very hard to follow along with all the big words she was throwing around. Why do you always have to talk to use like you swallowed a dictionary?
See also: dictionary, swallow
Farlex Dictionary of Idioms.

swallow the dictionary

tv. to acquire an enormous vocabulary. (Usually in the past tense.) My uncle says I’ve swallowed the dictionary. That’s because I know so many big words.
See also: dictionary, swallow
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • have swallowed a dictionary
  • put two fingers up at (someone or something)
  • put/stick two fingers up at somebody
  • feather (one's) own nest
  • give (something) (one's) all
  • a walking dictionary
  • a walking dictionary, encyclopedia, etc.
  • dictionary
  • encyclopedia