A person who makes out with people indiscriminately. Caliber of victim normally doesn't factor in and therefore can be quite low. Doesn't usually take it past second base tig ol' bitties. Tend to not care about their conquests.
"Liam is a lip slut, he pulled Alison's friend and called Amber to come over that night."
"Damn dat bitch be uuglay fugly, she needs to get with a lip slut"
"Damn dat bitch be uuglay fugly, she needs to get with a lip slut"
by Liam the Lip Slut January 22, 2005
by Muffin Pants Productions May 28, 2010
when you are making out with a guy and he bites your lips and the next day they are swollen and the blood vessels are broken
"Last night I was having a hot make out with Matt Rafferty and the slut lip he gave me made my lips look so full today!"
by Kelly and Claire October 21, 2007
when you are making out hxc and the boy/girl bites on your lips repeatedly, causing tenderness and swelling come morning
by claire delaney November 3, 2007
A beauty blogger who always posts provocative, up close photos of her lips on Instagram, usually with a phallic object in the frame, such as a tub of lip gloss.
by SpringBreak4Life June 2, 2018