dump·er 
/ˈdʌmpɚ/ noun
plural dump·ers /ˈdʌmpɚ/ noun chiefly US 1 [count] : a person who leaves waste where it is not supposed to be left
▪ The cops caught the illegal dumpers. 2 the dumper informal : a state of failure
▪ The economy is in the dumper. ▪ His career has gone down the dumper. [=his career has been ruined]
▪ The cops caught the illegal dumpers.
▪ The economy is in the dumper. ▪ His career has gone down the dumper. [=his career has been ruined]
