(call center jargon) A caller who hangs up immediately when they hear a delay announcement.

(intransitive) To become conscious after having slept. / (transitive) To cause (somebody) to stop sleeping. / (transitive) To make aware of something.

(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .

One who eats too much; particularly one who does so regularly.