Top Definition
A haristyle for the pubic region of a woman where the vaginal area is shaved and the anus area is wrought with hair... this hairstyle is definately "business" in the front while "partying" in the back. This occurs most often to women who pay the most attention to their frontside while neglecting their nether regions.
That chick has an undermullet
by Bushwacker69 June 23, 2011

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