A female who damages her sexual partner's genitalia, specifically the testicular region, through overenthusiastic thrusting of the pelvis. This female is usually on top.
Yeah, poor guy, his girlfriend is such a skittle squasher.
When a drunk old man takes his schlong out and rams it into a window while yelling out the phrase "Squished tadpole! Squished Tadpole!" Often done while over consuming cheap and hard alcohol.
I was relaxing in my car the other day and I looked over and seen Gaylords squished Tadpole.