The word "picklepuss" is a noun used to describe someone who often has a unhappy, sour, or gloomy expression on their face. It is a somewhat informal and playful term, often used in a light-hearted way to tease someone who seems to be in a bad mood or is always frowning.
While "picklepuss" is mostly used in a lighthearted context, it can also imply that the person is consistently negative or moody. In such cases, it can be used to express concern about someone's ongoing bad mood.
Though "picklepuss" primarily refers to someone with a gloomy expression, it can also be used to describe someone who is being stubborn or uncooperative.
While there are no direct idioms or phrasal verbs that include "picklepuss," you might come across phrases like "turn that frown upside down," which means to encourage someone to be more cheerful.
"Picklepuss" is a fun, informal way to refer to someone who often looks unhappy or grumpy.