(idiomatic) (of a person) The condition of tiredness due to overwork.

An inhabitant of a borough with full rights; a citizen. / (historical) A town magistrate. / (historical, UK) A representative of a borough in the Parliament.

(physics, astronomy) the nucleosynthesis process, in stars of greater than 8 solar mass that have exhausted their helium supply, in which carbon is converted to neon, sodium, magnesium and other elements

(physics, astronomy) the nucleosynthesis process, in stars where temperatures exceed 3x10⁹K, in which silicon undergoes photodisintegration to form fragments which in turn produce elements of atomic number up to 60, peaking at iron

(physics, astronomy) the nucleosynthesis process, in stars of less than 1.2 solar mass, in which hydrogen is converted to helium, deuterium and some lithium

(physics, astronomy) The nucleosynthesis process, subsequent to carbon burning, in which neon disintegrates to oxygen which subsequently fuses to form silicon, phosphorus sulfur and other elements of atomic number up to 40.

(physics, astronomy) the nucleosynthesis process, in stars with temperatures over 10⁸K, in which helium is converted to carbon and then to oxygen, neon and magnesium

(slang, ethnic slur, humorous) An ordinary automobile (especially a Japanese one) made to look fast or special by adding aftermarket parts

(idiomatic, colloquial, rhetorical question) Asked of somebody who was not present but was the topic of discussion.

(childish, vulgar) A fart.