To fail or succeed, no matter what.

(thermodynamics) An object, system or environment that absorbs and dissipates heat from objects in thermal contact (either direct or radiant) with it.

A deep, usually rectangular, ceramic sink.

plural of heat sink

(idiomatic) Something which is doomed; an impending debacle; an ongoing disaster.

(Britain) A council estate characterised by high levels of economic and social deprivation, often associated with high crime rates.

plural of sink estate

(informal) Something that consumes a great deal of time, usually with little benefit; a waste of time.

plural of time sink

plural of Belfast sink