surname, attested from late 12c., probably meaning bald head; cf. Wyclif Stye up, ballard, where Coverdale translates Come vp here thou balde heade [2 Kg.2:23-24, where God kills 42 children for making fun of Elijah's lack of hair.]
A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or rock layers moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface. Comments.
DEFINITION of 'Slump'. A slang term denoting a period of poor performance or inactivity in an economy, market or industry. In economic terms, a slump specifically refers to a recession, signaling a slow down of business activity.Next Up.n industry may experience a slump when overall activity begins to decline. In the loan industry, a slump may represent a period of tight lending policies. Since it is more difficult to get a loan, overall lending volumes will drop. Slumps apply to financial markets as well.