(countable) One who, or that which, slaps. / (countable, UK, Ireland, slang) A prostitute. / (countable, UK, Ireland, Australia, slang) A woman of loose morals.

plural of slapper

(informal) A person who practises happy slapping.

(surfing) A very small wave.

(idiomatic) A joke, especially one which strikes the listener or reader as particularly humorous.

plural of happy slapper

plural of ankle slapper

plural of knee-slapper

plural of thigh slapper

plural of knee slapper