knee-slapper
noun
knee-slap·per
| \ ˈnē-ˌsla-pər
\
\
Definition of knee-slapper
: an extremely funny joke, line, or story
Keep scrolling for more
Keep scrolling for more
More Definitions for knee-slapper
knee-slapper
noun
English Language Learners Definition of knee-slapper
US, informal
: a very funny joke or story
See the full definition for knee-slapper in the English Language Learners Dictionary