If you mean no your hair, shampoo. If you mean in your hair, make yourself BALD.
my hair
The nicest hair
it can be spiky
They mean that there is a female with hair that is long
It means your hair is curly.
to get a piece of hair and twist it
jet black hair
do you mean the hair she has in Twilight, or her hair as janet jett???
It means your hair is black. That's it.
i have ... hair
Doesnt "mean" anything. If someone has brown hair the dominant Allele between the two parents happened to be brown hair...