Definition: A figure of speech is an expression that is designed to evoke emotion or create deeper meaning. The words in a figure of speech are not literal; instead, they are used as symbols.
You must be pulling my leg is an example of a figure of speech.
Because words in a figure of speech are not literal, these expression often prove to confuse non-native speakers of any language.
There are many types and categories when it comes to figures of speech.
They include the following:
Examples:
You are killing me with kindness.
My brain is toast.
She is a killer basketball player.
You're barking up the wrong tree.