A name and term that is used for a mustache.
Look at Dirk's lip muscle he thinks it makes him look strong. It only makes him look like a sad motorcycle cop.
by Secrect Destroyer March 27, 2010
Get the Lip Muscle mug.
When getting busy with a hoe from the street and she uses her vaginal power to strangle your manhood until you give her what she wants.
That bitch kept me in bed with her muscle lips. It was awesome!
by Teddy LBZ. February 23, 2007
Get the muscle lips mug.