That's easy. Viagra balls.

Why is it that no one ever talks about the churnin' germy men?

Uh, I call b.s. both on the concept and the illustration (i.e., shooting reluctant "victim" at distance of about two feet). Seefish3 is on to something. A 9mm bullet packs a hell of a punch. That it may not penetrate your body because of bulletproof garb is one thing; however, all that kinetic energy has to go somewhere. In reality, this poor girl would be lying on her back with the stuffing knocked out of her and a tremendous bruise, not saying "Phew! Ha ha!"