Definition:
"Downer" is a slang term used to describe something that is depressing or brings negative emotions. It can also refer to a person who is a buzzkill or brings a negative energy to a situation.
Use case:
You can use "downer" to describe a sad movie that made you feel upset or a person who constantly complains and brings down the mood of a group. For example, "I don't want to invite Sarah to the party, she's always such a downer."
• The news of the company's bankruptcy was a real downer for its employees.
• I'm feeling like a downer today, can we reschedule our plans?
• This rainy weather is such a downer.
• I don't want to go to that party, it's always such a downer.
• Losing the game was a real downer for the team.
• His chronic illness was a downer on his quality of life.