This word can be used an as expletive but this is its secondary purpose. A fuck sock can come under two categories.
It is either a sock placed over the penis during masturbation;
or it is a makeshift condom when the chemist is just too far away.
"Hey mate whats this in the bottom of your sock? Eugghhh! Its your fuck sock!"
When finance content creators rent out fancy cars and flexcash to seem richer than they really are in order to promote and sell their “get rich quick” courses.