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

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

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
References in classic literature ?
The besom of reform hath swept him out of office, and a worthier successor wears his dignity and pockets his emoluments.
He was provided with a stiff besom, such as is used by street sweepers, and it was his place to follow down the line the man who drew out the smoking entrails from the carcass of the steer; this mass was to be swept into a trap, which was then closed, so that no one might slip into it.
A scrawny buttermilk-faced young besom, allus askin' questions an' pokin' tha' nose where it wasna, wanted.
in that kingdom, and that much is expected from his skill and zeal in delineating those specimens of national antiquity, which are either mouldering under the slow touch of time, or swept away by modern taste, with the same besom of destruction which John Knox used at the Reformation.
My father turned up his sleeves and clutched the besom.
If ever my scorn hath scattered mouldered words to the winds, and if I have come like a besom to cross-spiders, and as a cleansing wind to old charnel- houses: