Notional leading cause of a beverage running out of the mouth and down your shirt due to poor aim (the mouth of your can was tilted to your nose) or poor control (tilted the coffee cup too far back).

Derived from the fact that it kind of looks like you took a hole punch to the skin just below your lower lip.
Dude, you spilled coffee all down the front of your shirt, you have a hole in your lip or something?
by ke6isf October 25, 2004
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Definition 1 (most popular) - Where you put lip applications and your inner wet lip messes with the product.

Definition 2 - The inner part of your lip where it naturally stays wet.

Definition 3 - When you put a lip application and it looks like a Butt hole.

Buzzfeed employees have invented this term the butthole lip
You do not want a butthole lip when you are putting on lipstick because it's gonna fuck it up. It's gonna make it into a butthole.

" I have a pretty intense case of butt hole lip right now" - Buzzfeed employee
by Budder Tortoise March 28, 2016
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when you purse your lips and they look like an ass hole
hannah- "get that look off your face heidi, you've got bum hole lips."
heidi-"no I'm pissed off"
by tuna breath December 4, 2009
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