business , meaning

• [British slang]
  Noun. 1. The best. E.g."That new Mini Cooper from BMW is the business.”
  2. Sexual intercourse. E.g."I was doing the business with her all night.”
  

• business:    Noun: business&nbs ...
• in business:    1. Working, esp in ...
• the business:     (slang) &nbs ...

Examples

1. "it is none of your business, " the young man said rudely.
2. unless there is any other business, we can end the meeting.
3. he does wholesale business, while his brother is engaged in retail business.
4. under the pretext of travelling on business, ( some cadres ) go holidaying and waste public money.
5. i do not really want to interfere with your business, but you should n't spending money like mad.