grumpy pantsWiktionary 原文英美构词拆解grumpy词干+-pants后缀-pants(informal, usually derogatory) Used with adjectives ending in -y to form nicknames based on a negative quality of a person.词源说明From grumpy + -pants.释义名词noun1countable, informal, sometimes used attributivelySynonym of grump (“person who is currently in a bad mood or is habitually cranky”).2uncountable, informalA notional pair of pants worn by someone in a bad mood.