A facial wound where the victim's mouth is slit from the corners, giving the impression of a wide, yet forced smile.
Also known as "Chelsea smile".
- Kuchisake-onna, ("Slit-Mouthed Woman") The tale of a woman, mutilated by a jealous husband, and returned as a malicious spirit. Her defining characteristic is her mouth, which extends from ear to ear in a horrible, permanent smile.
- Kakihara from Ichi the Killer;
- Joker from Christopher Nolan's The Dark Knight.
- Madaraki Fran from Franken Fran
- Diego Brando (with Scary Monsters) from Steel Ball Run
- Mileena from Mortal Kombat