passing bell

The boredom of a dull PowerPoint presentation, normally consisting of simple bulleted lists and conventional graphics.

Death supposedly caused by staying overnight in a closed room in which an electric fan is operating. It is a South Korean urban legend.

plural of death camp

A prison camp in which a large number of prisoners die for various reasons, such as starvation, disease, brutality and neglect.

A member of a species of poisonous perennial flowering plants, Toxicoscordion venenosum (formerly Zigadenus venosus), easily confused with the edible camas, whose bulbs (rhizomes) look like, but do not smell like, like onion.

(rare) A suicide note; a message written prior to a suicide attempt.

plural of death clock

A metaphorical clock representing when one is expected to die, e.g. when someone expects to have a short lifespan because of an illness.

Of critical importance to the survival of a living organism. / Having death as a possible or even likely outcome; perilous. / Of critical importance to the success of a particular endeavor.