Used metaphorically to mean gaining sudden insight, not physically falling.

Figurative Use

Expresses a moment of clarity or a sudden realization, like a lightbulb turning on.

Eureka Moment

Considered informal; often used in casual conversation, not formal writing.

Describes an actual, physical collapse or drop to a lower position.

Often used to describe a collapse that is sudden or not planned.

Implies a complete fall; not just tripping or a partial loss of balance.