when you lick your lips too much and you get a red ring around your mouth that makes it look like youve been drinking red kool-aid. its usually kind of crusty and sometimes painful.
"man, i need some chapstick to fix this kool-aid lip!"
by valery March 27, 2008
Overuse of dark red or purple lipstick, so that it appears as though the wearer has been drinking large amounts of Kool-Aid.
Have you seen The Craft? That one girl's got a serious case of kool-aid lips.
by pellonpaa November 14, 2011