the female equivalent to 't-bagging' someone - resting/placing/stamping your vagina lips onto their forehead or personal property without their knowledge as a joke or an act of revenge
Dude better watch it, or he'll get his scooter lip dipped if he keeps parking in my spot!
by rohahn September 14, 2015
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The area between and connecting the balls and the shaft of the penis. Also know as "Bottom Lip Dip". The phrases inspiration came from a human specious giving a blow job. When the lower/bottom lip of the human touches that certain area of the males penis which is the end of the shaft and the start of the ball sack.
Man my lower lip dip itches like all get out. I think the girl I fucked last night had crabs.

Dude this hoe last night went lower lip dip like 10 times, I might have to hit her up again.
by ohiosk8s March 15, 2011
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Similar to male teabagging, a female squats over someone’s face and lowers her vagina onto the person. Lip Dip is used as a practical joke or prank when performed on someone who is passed out or asleep. It can also be a sexual act as well. Called Lip Dip because vaginas have labia lips.
At the sorority house last night, silly Sally drank 3 bottles of Boone's Farm wine passed out on the floor again, but this time the whole pledge class gave her a Lip Dip! Like, tots embarrassing!
by Dick B. Tricklin July 4, 2018
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