Give Your Eyeteeth for Something

Etymology:

• This expression is thought to have originated in 16th century. The word eyeteeth promptly refer to the connection of eye and teeth, suggesting that nerves of the teeth are located near to our eyes. Eye teeth in our oral cavity perform important function of biting and chewing. If you badly want something and you readily sacrifice or give up your valuable and precious thing then it refers to giving your eyeteeth for it.