Definitions by Sarah Harney-Levine and Antony Peacock

Mouthbrow 

The soft fleshy area above your upper lip and below your nose (mouthbrow is to your mouth what eyebrows are to your eyes)

I have an itchy mouthbrow
Her mouthbrow seriously needs bleaching

Mouthbrow by Sarah Harney-Levine and Antony Peacock March 8, 2006