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?

Share you know what?

Statistics for you know what?

Look-up Popularity

Comments on you know what?

What made you want to look up you know what?? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

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!