Akin to the nip slip. When a woman's pussy lip slips out of her thong or underwear. Short skirts and shorts provide the best opportunity for lip slip viewing.
Dude, after Chetto's girlfriend got up from the chair, I was pleasantly surprised by the lip slip she had going on with that short skirt.
by Merkin Donor II March 27, 2008
Can you define these popular missing words?
when the lips of a chick's pussy slips out of her panties.
when miss Johnson stood up I saw a lip slip.
by NCrules01 June 02, 2015