1 definition by grock247

The method of foreplay whereby the leading particapant penetrates female genitalia with their 3rd and 4th fingers, forming the 'rock on' hand gesture. This allows for some wild G-Spot hitting, allowing maximum flexibility and improved stimulation. Can also be performed using just the middle finger for the tighter among us.
'Dude, last night Tom G-Rocked me so hard; I've never come so quick'

'Man I know! Where did he learn that shit?!'
av grock247 22 oktober 2009

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