Tinder for investors: Apps help build the porfolio of your dreams

To "make it rain" means a variety of different things on Urban Dictionary. The most enjoyable is almost biblical in expression: "to have a fat wad of cash and thusly throw it in the air and let it fall from above them as if it was raining". The definer then added, "it's funny to watch non-ballers do this in the club".

If you are a non-baller, money can be a tricky subject. And in and of itself, budgeting can be a boring subject. Which is why allowing technology to take care of some of the mundane aspects of keeping one's fat wad of cash still fat, is perhaps a baller move.