knee-slapper

noun
knee-slap·per | \ˈnē-ˌsla-pər \

Definition of knee-slapper 

: an extremely funny joke, line, or story

First Known Use of knee-slapper

1966, in the meaning defined above

Keep scrolling for more

Learn More about knee-slapper

Share knee-slapper

Dictionary Entries near knee-slapper

knee roll

knee roof

kneesie

knee-slapper

knee sock

kneestone

knee strap

Statistics for knee-slapper

Look-up Popularity

Time Traveler for knee-slapper

The first known use of knee-slapper was in 1966

See more words from the same year

Keep scrolling for more

More Definitions for knee-slapper

knee-slapper

noun

English Language Learners Definition of knee-slapper

: a very funny joke or story

More from Merriam-Webster on knee-slapper

See words that rhyme with knee-slapper

Thesaurus: All synonyms and antonyms for knee-slapper

Comments on knee-slapper

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

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

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!