In episode 22 of Nekojiru Gekijo, Nyako kicks a fish in the crotch while Nyatta smacks him across the head with a plank after he hits them.
When Meg is kidnapped at the beginning of , sees fit to threaten this with a Desert Eagle on Kyohei, stopping just short of pulling the trigger.
Their next encounter has Kon smashing his groin once more, this time with a ROCKET HAMMER, costing him his other one! She suddenly raised a thought about what had happened last night.
How good is it you ask me? Effectively, this is a human's version of for massive damage.