Rolling in dough' is an idiom that means having a lot of money. The crossword solutions for this term are RICH (4 letters), AFFLUENT (8 letters), WEALTHY (7 letters), LOADED (6 letters), FILTHYRICH (10 letters), INTHEMONEY (10 letters), WELLHEELED (10 letters), ONEASYSTREET (12 letters), WORTHABUNDLE (12 letters), and ASRICHASCROESUS (15 letters). All of these words refer to having a large amount of money, and can be used interchangeably with the phrase 'rolling in dough'.