SLUMPS

noun

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

verb

1. To collapse heavily or helplessly.
2. To decline or fall off in activity or performance.
3. To slouch or droop.