Frog eyes piercings are widely considered one of the most dangerous oral piercings you can get. Many professional piercers refuse to perform them because of the high risk of permanent damage to your tongue’s muscles, teeth, and gums. While they look striking, the anatomy of the tongue makes this piercing especially problematic compared to a standard midline tongue piercing.
What a Frog Eyes Piercing Actually Is
A frog eyes piercing consists of two vertical barbells placed side by side at the front of the tongue. The balls sit on top of the tongue and resemble a frog’s eyes when you stick your tongue out. It’s often confused with a snake eyes piercing, which is a single horizontal barbell running through the tip of the tongue. Both piercings share similar risks because they interact with the tongue’s dual-muscle structure in ways a standard center tongue piercing does not.
Your tongue is made up of two separate muscles that move independently. A frog eyes piercing punctures through both of these muscle groups near the front of the tongue. This placement can bind or restrict the muscles, interfering with their ability to move freely. A traditional midline tongue piercing passes between these two muscles, which is why it carries significantly fewer complications.
Risk of Permanent Speech and Movement Problems
The most serious danger of a frog eyes piercing is that it can fuse or restrict the tongue’s two independent muscles. When these muscles can no longer move separately, you may develop a permanent speech impediment or lose range of motion in your tongue entirely. This creates a restricted feeling when talking and eating that may not go away even after the jewelry is removed, particularly if scar tissue has formed between the muscles.
The tongue is also densely packed with blood vessels and nerves. Improper placement can injure the lingual nerves, causing symptoms that range from temporary numbness or tingling to long-term changes in sensation. Some people experience dysesthesia, where normal sensations in the tongue feel painful or distorted. These nerve injuries can affect both speech and your ability to sense food and temperature inside your mouth.
Tooth and Gum Damage
Oral piercings in general are hard on teeth, but piercings at the front of the tongue are especially damaging because the jewelry constantly contacts your lower front teeth and gums. Clinical research on tongue piercings shows that the pierced group had significantly more enamel cracks, enamel fissures, and cavities compared to people without piercings. The barbell’s metal balls grind against tooth surfaces during speaking, swallowing, and even at rest.
This isn’t just cosmetic wear. The trauma can go beyond the enamel into the deeper layers of the tooth and even reach the pulp, which is the nerve center. Researchers have documented cases where tongue piercings caused fractures of tooth cusps, cracked-tooth syndrome, and cold sensitivity in the lower molars. Habitual biting or playing with the jewelry accelerates this damage considerably.
Gum recession is another well-documented consequence. Studies found significantly more gum recession on the tongue-facing surfaces of the lower front teeth in people with tongue piercings. Over time, this recession exposes the tooth roots, increases sensitivity, and raises the risk of tooth loss. Some reports describe the constant rubbing of jewelry against the roof of the mouth causing bone erosion as well.
Rejection and Migration
Frog eyes piercings have a high rejection rate. The tongue’s constant movement during speaking and eating puts continuous stress on the piercing, and the body often tries to push the jewelry out. As the piercing migrates, the barbell slowly tears through the tongue tissue rather than simply leaving a clean hole. This tearing through muscle tissue can cause more extensive damage than the original piercing itself.
Signs that your piercing is migrating include more of the barbell becoming visible outside the tongue, the piercing hole appearing to grow larger, the jewelry hanging at a different angle than when it was first placed, or being able to see the bar through the skin. If you notice any of these changes, the piercing is actively moving and the damage is ongoing.
Infection Risk
The mouth contains hundreds of bacterial species, and any tongue piercing creates an open wound in that environment. A standard tongue piercing takes roughly six to eight weeks to heal. During that window, and sometimes beyond it, signs of infection include skin discoloration around the piercing, the area feeling hot to the touch, swelling that doesn’t improve after the first week, and discharge with an unusual color or odor.
Frog eyes piercings may carry additional infection risk because there are two wound sites instead of one, doubling the entry points for bacteria. The front of the tongue also contacts more surfaces throughout the day, including food, drinks, and the teeth themselves, all of which introduce bacteria to healing tissue.
Why Most Piercers Won’t Do It
The professional piercing community has largely moved away from performing frog eyes and snake eyes piercings. Reputable piercers typically refuse the procedure because the risk of permanent functional damage is too high to justify. The concerns aren’t theoretical: muscle restriction, nerve damage, tooth fractures, and gum recession are well-documented outcomes, not rare complications.
If you already have a frog eyes piercing and are experiencing any changes in speech, tongue mobility, tooth sensitivity, or signs of migration, removing the jewelry sooner rather than later reduces the chance of long-term damage. The longer the jewelry stays in, the more cumulative wear occurs on your teeth and gums, and the greater the risk that scar tissue permanently limits tongue movement.

