The money market is a segment of the financial market in which financial instruments with high liquidity and very short maturities are traded. The money market is used by participants as a means for borrowing and lending in the short term, from several days to just under a year.
The definition of snub is something that extremely short. An example of something snub is the nose of a Pug dog. To snub is to put something out.
Snuff is smokeless tobacco. It is made from dried tobacco leaves with the addition of certain flavors and scents, used mainly as a vice much the same as cigars. There were different types, used in different ways, but traditionally it means Dry/European nasal snuff, which is inhaled or snuff.