cunt splitter

A word found in a list of surprisingly mundane words which is, in fact, not a mundane word. In reality, a cunt splitter is probably a very large phallus or dildo, maybe even a very tight g-string.

Person 1: This book says "cunt splitter" is actually a totally normal word.
Person 2: What does it mean?
Person 1: Hmm, doesn't say.
Person 2: I'm gonna just assume it means dicks.