dumps

[Probably from Dutch domp, haze, from Middle Dutch damp, vapor.]

noun

A feeling or spell of dismally low spirits: blues, dejection, depression, despondence, despondency, doldrums, dolefulness, downheartedness, dysphoria, funk, gloom, glumness, heavy-heartedness, melancholy, mope (used in plural), mournfulness, sadness, unhappiness. See feelings, happy/unhappy.

A lethal inherited disorder of Holstein cattle that causes infertility. The name is an acronym of Deficiency of Uridine MonoPhosphate Synthetase, the enzyme which participates in the reaction which converts orotate to uridine 5′-monophosphate. Individuals having the homozygous recessive genotype die at about 40 days of gestation.

The noun has one meaning:

Meaning #1: (informal) "in the dumps"
  Synonym: mopes