Usually done after licking the lizard, the boobiefuck is a sexual act performed by rubbing down a woman's (or man's) breast with oil and inserting the erect penisin between the two mammaries. Fuckin' a.
Bill: Dude...I'm not sure how to tell you, but I boobiefucked Christine last night.
Keenan Thomspn: Fuck you NI....
Bill: Wait a minute man lemme look around.
Keenan: Nah man it's cool, I checked...NIGGA!
A man or woman who runs by and gets a quick grope of a boobie. This can be a male or female boobie. The groper is often masked and wearing a striped shirt.