Bokeh

You can call someone bokeh, you can change it to a verb and be in a state of bokeh-ing or you can buy an old manual F1.2 lens realize you have sloppy focusing skills and try to photograph something in the taxi on the way home when you are knackered.

This inverted paper cup acts as a light shade for a bulb which runs off a couple of wires jerry-rigged into the interior light fitting. It seems to be a Chigasaki taxi thing and they say it helps them see better to count change.

Pentax SMC 50mm F1.2