IDIOMS

live large

(idiomatic) To have a lavish or overly-extravagant lifestyle.

Example: 1984, "The Time 100: Builders & Titans," Time, 15 Oct.:
  He lived large, in a suite at the Waldorf Astoria. Expensive and elegant suits, silk shirts, handmade shoes, cashmere topcoats and fedoras enhanced his executive image.