precious gems responsible for creating all families; i.e. "testicles"

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

Testicles; balls; nuts etc..

Man's bat and balls!

Meaning to try to stand up to the Bad Things in life.

A male's testicles. Located behind the penis in a pouch of skin called the scrotum.

A mans nuts, balls, testicles,etc.
There called family jewels because you pass your "traits" to another generation. Your kids!