Do-Re-Mi (Rogers and Hammerstein song)

do-re-mi n slang US money [C20: pun on dough (sense 3)]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014