Victim's Ratchet Edit Meaning

1.

A contraption inserted deep into the vadge. During an unexpected sexual encounter, a rape, for example; the ratchet clamps on to the erect love truncheon, making it painful to withdraw. The more the assailant tries to escape, the harder the ratchet bites.

I was so massive that even her victim's ratchet couldnt stop me

You're so small even a victim's ratchet couldnt bite you.