lip slip 

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.

lip slip by Merkin Donor II March 27, 2008

lip slip 

when the lips of a chick's pussy slips out of her panties.

when miss Johnson stood up I saw a lip slip.

lip slip by NCrules01 June 2, 2015

Lip slip 

When a pussy lip slips out of your bikini

I had a lip slip at the beach and a black guy saw it

Lip slip by anonymous May 4, 2020

Lip Slip 

When one is wearing a mask and has a wardrobe malfunction so that your lips have been exposed, thus increasing the likelihood of a viral transmission.

“Yeah, the guy at the bar last night had a total lip slip.”

“What?”
“Don’t worry, I got tested.”

Lip Slip by GenericAlias December 12, 2020

Lip slip 

Term for when you say something that you instantly regret a second later.

Person: "There's no doubt that Joe Biden is a good president"
Every Conservative In A 3 Mile Radius: =_______=
Person: "Oh sorry, I lip slipped"

Lip slip by Retard_Ryan February 8, 2023

slip of the lip 

When at least one of the labia majora slip into plain view for enjoyment the general public. May happen during sporting events or beach volleyball tournaments.

Dude, did you see that slip of the lip at the gymnastics tournament? Super hot!!

slip of the lip by Sweenbag July 7, 2016

many a slip between the cup and the lip 

Generally refers to a situation where things did not happen at the last minute the way they were expected to due to unforseen reasons

I was to get a raise this year, but it didnt happen due to the merger.
Well my friend, there is many a slip between the cup and the lip!

many a slip between the cup and the lip by Vishal Dhaliwal September 22, 2006