Of the nature of things discussed around a water cooler.

A type of cooling device that uses water as the heat transfer medium.

(idiomatic) All hope is gone; there is no possibility of success; the period of good fortune is over.

(idiomatic) One who is intelligent, bright, or sharp; especially, one who can identify attempts to deceive or mislead.

(idiomatic, informal) A greeting, similar to how are you?; what's happening?; what's up?; what's new?

The process of cooling computer components via the Peltier effect.

(simile) Calm and composed even in difficult or frustrating situations; self-possessed.

(programming) Initialism of CLIPS Object-Oriented Language.

That is the way things happen; that's life.

Cooled by air (such as an engine, rather than by other means such as water).