Slump, v. i. [imp. & p. p. Slumped p. pr. & vb. n. Slumping.]
1. To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, partly frozen ground, a bog, etc., not strong enough to bear the person.
The latter walk on a bottomless quag, into which unawares they may slump. --Barrow.
2. To slide or slip on a declivity, so that the motion is perceptible; -- said of masses of earth or rock.
3. To undergo a slump, or sudden decline or falling off; as, the stock slumped ten points. [Colloq.]
slumped
adj : with shoulders drooping [syn: slouched, slouching]