you know what?

idiom

Definition of you know what?

 (Entry 1 of 2)

informal
1 used to emphasize the statement that comes after it You know what? I never trusted her.She lied to me again, but you know what? I really just don't care anymore.
2 used to get someone's attention Hey, you know what? I'm hungry.

you-know-what

noun

Definition of you-know-what (Entry 2 of 2)

informal
1 used in speech to refer to something that is not named but is known to both the hearer and speaker I've hidden the you-know-what in the closet.
2 used in place of a rude or offensive word in order to express anger or annoyance He's a complete you-know-what.

Learn More About you know what?

Dictionary Entries Near you know what?

you know something?

you know what?

you-know-what

See More Nearby Entries 

Statistics for you know what?

Cite this Entry

“You know what?.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/you%20know%20what%3F. Accessed 18 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!