The act of bending your erection down and tucking it between your legs, then proceeding to squat up and down with a thrusting motion until ejaculation occurs. Effectively, having sex with your own thighs.
I'll never have to use my hands to masturbate ever again, now that I have mastered the Thigh Blaster.
Allen: Everything went alright except that I had to take a massive dune blaster half way through dinner. It felt like the scene from the movie Gravity where the space capsule violently shakes and heats up as it barrels through the atmosphere at Mach 25.