The drop of semen at the end of your penis when a girl squeezes it up to the top after you ejaculate.
I thought she was finished, but she squeezed up the pearl to finish me off.
A cretinously discriptive book by John Steinbeck used to torture Middle School children who have to read it. The pain and confusion it causes is often compared to a vise grip on one's family jewels.
The teacher busted the students' balls by making them read the pearl.