shebang /ʃɪˈbæŋ(ɡ)/noun 5forms 1phrases 1 noun5 •(informal) Any matter of present concern; thing; or business; most commonly in the phrase the whole shebang.On the third the whole "chebang" was removed [...] — 1863 •The character string "#!" used at the beginning of a computer file to indicate which interpreter can process the commands in the file, chiefly used in Unix and related operating systems. •(informal, old-fashioned) A lean-to or temporary shelter.Their shebang enclosures of bushes. — 1862 •(informal, old-fashioned) A place or building; a store, saloon, or brothel. •(informal, no longer used) A vehicle. formsshebangs Phrases with shebang whole shebangEverything; the entire thing.