A heavy or helpless collapse, a slouching or drooping posture, or a period of poor activity or performance, especially an extended period, and in slang, it can also refer to a period when a person goes without the expected amount of sex or dating.

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.

(UK, dialect) A boggy place.

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

(Scotland) The gross amount; the mass; the lump.

A cobbler-like dessert cooked on a stove.

(intransitive) To collapse heavily or helplessly.

(intransitive) To decline or fall off in activity or performance.

(intransitive) To slouch or droop.

(transitive) To lump; to throw together messily.

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

(transitive, slang) To cause to collapse; to hit hard; to render unconscious; to kill.