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a sexual move that is often considered the most awesomely brutal way to pleasure your woman. First, you have her turn around and bend over as you back away a good 20-30 fists. Then, you make a tight fist with your thumb on the inside (you'll find out why shortly). Then, you ram at her full speed, shoving your fist straight up her vagina, while crying out "MASTADON!!".
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