A unit of measure. Usually used in reference to small gaps or thickness. Black is usually the thickest and blonde the thinnest. Other colors are used in the middle.
Question: How much should I tighten that bolt ? Response: just a snatch hair.
I just missed cutting off my finger by a snatch hair !
not to be confused with a popular nickelodeon character, this person is one that will bring no joy and happyness to anyone. It is a girl on the rag who has an excessive amount of hair around her vagina.