take care of business

verb2

1. •
   To successfully perform a task or set of tasks which are very important for the accomplishment of a major objective.

   • James is eager to reach his first conference final. “"We don’t just want to win one," he said. "We’re going to try and win Game 3 and take care of business after that." — 2007
2. •
   (euphemistic) To urinate or defecate.

   • The facilities at the Esso Super Station, located on the outskirts of the town 180 kilometres northwest of Edmonton, have been named among the best places to take care of business in Canada. — 2016