Money that is not for investing...
Use the money to purchase inventions that have not yet been patented or have been up for sale that may be of commercial value. Advertise and market these products. Do informercials.
Purchase something with lasting value for a family member or friend. Not to expect anything in return. Purchase it just because...
Go on a toilet paper splurge. Generally when people have loads of money that they are not used to having they spend it on luxuries. While toilet paper is not the obvious choice just think that you will no longer have to count squares anymore. You can roll free-willing. Now that's blissful...