A nickname for New York City.

(astronomy) The cosmic event that marks the beginning of time and the rapid expansion of space for the visible universe. The evolution of the universe since that beginning point is described by the Big Bang Theory.

The large viewing surface upon which films are projected in a cinema. / (idiomatic, by extension) movies, or that which is related to movies or cinema.

A circus tent, especially the largest in a given circus, where the central attractions take place. / (by extension) The circus; the circus lifestyle.

(idiomatic) A very important figure, especially a high-ranking person in an organization.

The highest, or most prestigious level in any field, especially in entertainment.

(informal) By a large margin; with great significance.

(idiomatic) A person with a reputation of importance or power. / (idiomatic) A rare and significant chance to achieve fame or success.

(slang) Prison, jail. / (slang, obsolete) The workhouse. / A religious building of the Delaware Indians, representing the cosmos. / Used other than figuratively or idiomatically: see big, house.

(US, slang) San Quentin prison.