be rolling in it

be rolling in it

To be exceptionally wealthy. "It" refers to money, with the image being that of one literally rolling around in piles of cash. I hear her father is rolling in it, so I wouldn't be too worried about her future. Once we get this plan underway, we'll be rolling in it in no time!
See also: roll
Farlex Dictionary of Idioms.

be rolling in it

or

be rolling in money

INFORMAL
COMMON If someone is rolling in it or is rolling in money, they are very rich. Don't worry about the cost — soon you'll be rolling in it. Jessica's parents are obviously rolling in money.
See also: roll
Collins COBUILD Idioms Dictionary, 3rd ed.

be rolling (in it or in money)

be very rich. informal
Rolling in (i.e. ‘turning over and over in’) here has the sense of ‘luxuriating in’. The idea of wallowing in riches has been current since the late 16th century.
See also: roll
Farlex Partner Idioms Dictionary
See also:
  • be rolling
  • roll in it
  • rolling in it
  • be rolling in dough
  • rolling in dough
  • rolling in money
  • be rolling in money
  • get cracking/rolling
  • keep the ball rolling
  • keep the ball rolling, to