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Nail biting, also known as onychophagy or onychophagia, is an oral compulsive habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking. Nail biting is very common, especially amongst children. 25–35 percent of children bite ...
Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's teeth shift out ...
Dermatophagia. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Cute aggression. Cute aggression, or playful aggression, is the urge to squeeze or bite things perceived as bearing cuteness without the desire to cause any harm. It is a common type of dimorphous display, where a person experiences positive and negative expressions simultaneously in a disorganised manner. [1]
Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; reports of prevalence range from 8% to 31% in the general population. [2] Several symptoms are commonly associated with bruxism, including aching jaw ...
Biting the thumb. In Elizabethan England, this gesture was performed by placing the tip of the thumb behind the front teeth and flicking it forward. It can be interpreted as being equivalent to giving someone the middle finger or challenging to a fight. This version is still in use in some countries.
Curb stomp. A curb stomp, also called curbing, curb checking, curb painting, or making someone bite the curb, is a form of assault or attempted murder in which a victim's jaw is forcefully placed on a curb and then stomped from behind, causing severe injuries or death. [1]
Vagina dentata. A spiked Venetian chastity belt. Vagina dentata ( Latin for toothed vagina) is a folk tale tradition in which a woman's vagina is said to contain teeth, with the associated implication that sexual intercourse might result in injury, emasculation, or castration for the man involved. The topic of "vagina dentata" may also cover a ...