a bag for money.
moneybags, (used with a singular verb) a very wealthy or extravagant person.

Origin of moneybag

1555–65; 1940–45 for def 2; money + bag Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for money-bag

Historical Examples of money-bag

Word Origin and History for money-bag

1560s, from money + bag (n.). Meaning "rich person" is from 1818. Related: moneybags.

Online Etymology Dictionary, © 2010 Douglas Harper