What is Fuckbox?
1.
the female genitalia
I don't have a small cock, you've got a huge fuckbox.
See
2.
This word was first used to describe a small wooden cube with a fur-line hole, used commonly for people with uncommon obsessions for boxes. Newer developments in box technology have brought about boxes with sanded edges and a hatch through which scorpions may be introduced.
During early arctic expiditions, the great Japanese environmentalist Kimura Sachimoto's most prize possesion was his hand crafted fuckbox.