Definition of slump

• n. - The gross amount; the mass; the lump.
• v. t. - To lump; to throw into a mess.
• v. i. - 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.
• n. - A boggy place.
• n. - The noise made by anything falling into a hole, or into a soft, miry place.