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When you are finger-banging a girl and you randomly shove your fist up her snatch and say "booooooooom!"
-Caleb was giving Tianna a Five Finger Gernade and when he did it Tianna got mad and slapped him.

-Caleb gave Tianna a Five Finger Gernade and she laughed.

-Caleb asked Tianna if she wanted a Five Finger Gernade and Tianna thaught it would be funny.
by Brayden G. February 18, 2008
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