try to keep up

In my business life I did a lot of drinking after hours. Now retired, I still try to keep up.

negative bazillion

The funny man in the suit asked: 'What is the opportunity cost of taking a year off after college and bumming around Europe?'

trickle down or full circle

Tax money comes into the government and gets distributed and paid out almost as fast as it was collected, and tax dollars spent go directly into the private sector, to the benefit of those who own businesses or who invest in businesses.