Ever heard of rhyming slang? You use a phrase or word that rhymes with the word you actually mean. Here’s an example:
He’s just had a quarrel with his trouble and strife = his wife.
What do you think these mean (answers from non-native speakers only)?
She never said a Dickie bird.
He’s always opening his north and south,
He looked lovingly into her mince pies.
She fell down the apples and pears.
Let’s have a butcher’s (hook).
He bought himself a new whistle (and flute)