Can mean small fish in Japanese, but also used to describe a person who can't seem to do anything right. If speaking from a company hierarchy point of view, zako's would be placed at the bottom of the list. If such an extreme example of "zako" is encountered, they would usually be the ones cleaning toilets. See: Worthless.

A euphemism for “kill me” now that composting oneself after one’s death has become popular.

STD - symptons include -thinning pubic hair/head hair, lip fungal, a false sense of pride