knee slapper

Sarcastically used to point out an unfunny joke. It originates from the act of slapping one's knee during vigorous laughter. Later took on a sarcastic meaning.

Synonyms for knee slapper

On this page, you will find 30 slang terms related to knee slapper. Some of the top words include: knee slapper, skillz, geez yer, whipple, pisser, and 25 more.