When you ball your hand into a fist (known as the stink fist) and shove it into a woman's butt hole. Then, with your other hand, you mimic the shape of a detonator and ask the woman to press the button. When she pushes the button you release your fingers so instead of a ball they are flat. Then the silly string doodoo escapes her anus due to the release in pressure.
I shoved my hand into Betty's anus and prepared my other hand as the detonator. She set off the detonator and thus received the Anal Claymore.
by Vanderbilt Commodore November 20, 2007
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