a method of masterbation. the 'user' claps both hands around his crunne on, squeezes until its numb, then proceed to masterbate with both hands at a furious pace. continue to spadging occurs.
Q - you just like you've spadged your life away. why is that?
A - i've just had a double fisted piledriver.
she gave him a double fisted piledriver, but, being female, had not mastered the technique good enough and ripped his crunne-on off.