Slang can full use the pronunciation and syllables to make a good and funny expression.For example,"the bee's knees" means excellent people and things,"razzle n dazzle",a echoism word means daft.This double articulation and syllables to make the language more rhythm. Slang can full use the pronunciation and syllables to make a good and funny expression.For example,"the bee's knees" means excellent people and things,"razzle n dazzle",a echoism word means daft.This double articulation and syllables to make the language more rhythm.