A
word invented by my
son when he was
two.
As far as I could tell, it's an all-purpose
unit of measurement.
It can be used to describe
length,
mass,
time, or any combination thereof.
Even more usefully, it seems that the actual size of a mundit is equal to
the size of the thing you're describing divided by the number of mundits you say it is.
Hence, my son could jump on the bathroom scales and proclaim "52 mundits!"
in the self-assured voice of someone who already has the answer.