The unattractive gathering of white crust in the corners of the mouth; The ultimate insult.
That bitch at the market was such a 'corner of lip'!
by Spinderella cut it up one time October 11, 2007
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When you aim for a kiss on the cheek but you mess around and get the side of her mouth instead.
Phil: Did you talk to Alexus yesterday?
Timmy: Yeah bruh. She fine
Phil: Did you kiss her?
Timmy: Kinda. I was tryna be smooth, so I when I gave her a hug, I treated myself to some corner-lip.
by Jonslaught August 14, 2015
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