Your blood runs cold, as a reaction of that, your pores tighten, and causes your hair to move with the close up of pores by standing up.
To make someone's hair stand on end is to cause them to be very frightened, the expression is derived from getting goosebumps when scared and thus having your hair stand on end.
CHAIR stands for Cat Hair And Ice cream Rock!
It means when you have a bad feeling about something or someone in situatuions that are especially frightening.Your hair "stands on end" because of a primitive response to danger. An animal's fur stands on end when it is afraid - this causes the animal to "pouf up" and look larger. Even though humans do not have fur any more, our hair still has the same response when we are afraid. Thus, when you say "My hair was standing on end," you mean "I was very frightened."A slang expression. its what happens when you get a real fright 'your hair stands on end'. Also if you receive an electric shock
b/c your dick stands up
Apparently it stands for Good Hair Day, but the GHD company haven't confirmed this. It means Good hair doers
Your hair stands on end after you take your hat off because of static electricity in the air.
An elepant?
shadow --------- Your hair --------- Your feet
Hair stands up on end due to a reaction known as piloerection, which is controlled by the autonomic nervous system. This response occurs when you're cold or feel frightened, causing tiny muscles at the base of hair follicles to contract. This phenomenon is often associated with the body's fight-or-flight response, making you appear larger to potential threats or helping to trap more air for insulation.
Your hair has picked up extra electrons. This causes your hair to repel against each other(Like charges repel remember!). Because you hair is so tightly packed, the furthest any hair can get from another hair is to stand straight up.
Because it stands as a heat insulator during cold days.
Circle stands for female and square stands for male.