slumps

noun
  1. 1

    A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period.

  2. 2

    A measure of the fluidity of freshly mixed concrete, based on how much the concrete formed in a standard slump cone sags when the cone is removed.

  3. 3

    A boggy place.

  4. 4

    The noise made by anything falling into a hole, or into a soft, miry place.

  5. 5

    The gross amount; the mass; the lump.

verb
  1. 1

    To collapse heavily or helplessly.

    โ€œExhausted, he slumped down onto the sofa.โ€

  2. 2

    To decline or fall off in activity or performance.

    โ€œReal estate prices slumped during the recession.โ€

  3. 3

    To slouch or droop.

  4. 4

    To lump; to throw together messily.

  5. 5

    To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, a bog, etc.

  6. 6

    (slang) To cause to collapse; to hit hard; to render unsconscious; to kill.

Source: https://en.wiktionary.org/wiki/slump, https://en.wiktionary.org/wiki/slumps