Injury occurring when one with excessively large lips holds his or her head out of the window of a fast-moving car.
Tristan is in the hospital with lip-lash.
by Sev May 26, 2004
1 more definition
the act of receiving a slap in the face from a woman's labia. Often causes a snapping of the neck similar the whiplash. The female version of mushroom stamping
I was going down on this girl when she gave me liplash. Now, I have to go to physical therapy!
by maz33 January 22, 2011