Wiktionary
young money
n. The disposable income of young people
Wikipedia
Young Money (magazine)
Not to be confused with Young Money Entertainment.
Young Money is a bi-monthly publication that specializes in financial information for young adults. It seeks to "change the way young adults earn, manage, invest and spend money." Young Money was launched in 1999 and "specifically focuses on money management, entrepreneurship, careers, investing, technology, travel, entertainment and automotive topics." The magazine is headquartered in Orlando, Florida.