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The act of pushing a girl/guy's head down on your penis while receiving oral sex, or pushing your pelvis up hard while the blow job is being received, causing the tip of the penis to hit the back of the throat. Causing mucus to touch the tip of your penis.
Chris " Yo dawg, I was down tha way tha otha night bre, green tippin an shit on these hoes"

FiLL "Talk normal idiot"

Chris " Yeah I green tipped this bitch, it was awesome "

FiLL " Hell ye bre dat dat grungsta ass shit bre i feel ye cuz"

Chris "........"
by MoNiT0r January 10, 2008
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