The sweaty hair that protrudes from between the space where two rolls meet and rest apon each other. Giving it the exagerated look of two fat hairy lips.
Named after, or in honor of political Hilary and ment to draw attention to the hideous akward expressions and movements she makes with her mouth.
I was so drunk last night I would have stuffed that pig. Thankfully after she took off her shirt I saw she had a sweaty pair of Hilary's hairy lips smiling up at me and it brought me to my senses.