Lockjaw

Lockjaw can refer to any of the following:

Medical conditions and diseases

• trismus, a pathological condition in which the mouth is held shut by sustained spasm of the masseter (jaw) muscle, often observed in cases of tetanus.
• tetanus, an infectious disease of the central nervous system.

In music

• "Lockjaw", a Linkin Park instrumental song.
• Lockjaw (band), a UK punk rock band from the 1970s.
• Eddie "Lockjaw" Davis, a jazz saxophonist (d. 1986).
• Lockjaw (album), the Dance Hall Crashers 1995 album.

Arts and literature

• Lockjaw (comics), a character from Marvel Comics' Inhumans.

In sociology and linguistics

• Locust Valley Lockjaw, an upper-class American accent.