For example, it is well understood in classical mathematics that if a bank account contains a finite amount of funds, then the combination of having no fixed income with repeatedly withdrawing money from said bank account to finance lattes, flat whites, tighter and tighter jeans, Tom's shoes, outrageous sunglasses, the latest iPhone, ironic cigarettes, and obscure art magazines will eventually produce a zero or even negative balance. However, even hipsters with absolutely no income whatsoever (i.e. hipsters without even a token job at a video rental shop or as a barista) are able to continually and indefinitely finance such frivolities. Another interesting aspect of hipster math is that whenever you think you have counted all the hipsters in an urban park, there are always at least three or four more lurking about that somehow escaped the count, despite the fact that they are strumming guitars and singing loudly and are clearly visible in vibrant hipster uniforms.
"Don't worry about it, man. It's just hipster math."