dump

dump 1

• verb [T]
• 

1 to drop or put something somewhere in a careless way:
?dump sth in/on/down etc: They dumped their bags on the floor and left.
2 to get rid of something that you do not want:
?Illegal chemicals had been dumped in the river.

dump 2

• noun [C]

1 a place where unwanted waste is taken and left
2 informal a place that is unpleasant because it is dirty, ugly, or boring:
?This town's a real dump.
3 be down in the dumps informal to feel very unhappy

g.SS.
dumb