To go from a more erect posture to a less erect posture
To take on or move with an awkward, slovenly posture
To undergo a sharp, rapid descent in value or price
A usually swift downward trend, as in prices
A period of decreased business activity and high unemployment
Edith seemed to slump down in her seat.
Jake watched her slump again and rubbed his mouth nervously.
Then there came a slump; probably the truth was rather that money was becoming less unnaturally abundant than that there was any over-supply of labour.
Perhaps you were in a job slump, and while you were waiting to hear back from prospective employers, you killed time watching daily soap operas.
It tastes great and can he give you a great jolt of energy in the afternoon when you're starting to feel the evening slump.