down·er 
/ˈdaʊnɚ/ noun
plural down·ers /ˈdaʊnɚ/ noun [count] informal 1 : a drug that makes the body relax ; especially : barbiturate
▪ I took some downers to help me sleep. — compare upper 2 : something that is unpleasant or depressing
▪ “His cat just died.” “Oh, that's a real downer.” ▪ Our conversation about death was a bit of a downer.
▪ I took some downers to help me sleep. — compare upper
▪ “His cat just died.” “Oh, that's a real downer.” ▪ Our conversation about death was a bit of a downer.
