ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
Fixed expression from shebang,[1][2][3] first attested in the United States from the early 1860s, from which time it has increasingly dominated uses of "shebang" itself.
whole shebang (複数形 whole shebangs)
whole shebang