A cant used by Cockneys in which a word or phrase is replaced by a rhyming word or phrase, this word or phrase then often being abbreviated to its first syllable or syllables, or its first word. The word chosen as the rhyme often shares attributes of the word that it replaces
london cockney rhyming slang for the vagina (fanny)
Silbentrennung
Lon·don cock·ney rhym·ing slang for the va·gi·na (fanny)