smartphone-hobo
Smartphone-hobos are people who mooch off electricity in public places like train stations and airports. Since power outlets are almost always too far away from any seats, these poor fellows are forced to squat against walls and pillars in order to get the much needed juice for their electric gadgets.
I had plenty of time at the airport but the battery on my iPhone ran out. So I ended up as a smartphone-hobo because I had to use the public wifi.