I've just had a thought everybody
A 'plummet' is a small plum.
(
discomeats This canoe,
Sun 3 Jan 2010, 3:09,
archived)
In the plural that's "plummets" then
There aren't enough words to describe a gentleman with unusually small plums.
(
GarbageFan didn't know what to have as a board sig on,
Sun 3 Jan 2010, 3:18,
archived)