a package or group of things relating to the topic at hand
She went down on me and gave me the whole shebang!
See "the whole enchilada"
1. Everything, excluding nothing; everything with all the trimmings. A similar meaning as the phrase "lock, stock, and barrel".
2. (older meaning) A drinking establishment for the poor; a tavernous shanty.
Some suspect it to have originated as Irish siebin "small mug, cheap ale", which entered English as shebeen "a dive, a dump where unlicensed liquor is sold". In 1878 shebang was used to refer to the same sort of place, but it was also being used as a general term for almost any kind of business, as 'to sell your shebang for cash on the barrel head'. By the 1920s the phrase "the whole shebang" began appearing.
That outfit will buy out your whole business: production, shipping, outlets, the whole shebang.
When you get something you didn't expect to receive.
Shebang-bam, I wasn't expecting a birthday gift from my stepfather because he despises me.
Da entire "touchy-feely and bouncy-bouncy" permission dat a hot-in-da-crotch stud desires from a hot chick --- i.e., he wants total access to da luscious soft warm flesh dat "she" has, plus consent for him to "bang" her.
Tiffany asked me to perform a really yucky and difficult task for her, but she made me an offer dat I couldn't refuse --- she offered me access to "the whole shebang" after da job was completed.