Plutes means obsolete or unimportant. Like the (former) planet pluto that, according to astronomists is not important enough to be a planet.
Plutes refers to something that, at one
time, may have been considered significant but no longer is.
The words "plutes" is thought to have originated in Spokane, WA and quickly spread throughout the northwest and the rest of the
United States. According to current statistics, plutes is not yet being used
outside the US.