The term "cross patch" refers to someone who is grumpy, irritable, or easily annoyed. There are several synonyms you can use to describe this type of person, including grouch, curmudgeon, crab, sourpuss, and malcontent. A grouch is someone who is always complaining or being negative. A curmudgeon is an irritable person who dislikes other people. A crab is someone who is always griping and complaining. A sourpuss is someone who always has a frown on their face. Lastly, a malcontent is someone who is always unhappy and dissatisfied with everything. All these synonyms can be used interchangeably to describe someone who is difficult to deal with or unpleasant to be around.