time warp

n.
A hypothetical discontinuity or distortion occurring in the flow of time that would move events from one time period to another or suspend the passage of time.

A stoppage in the passage of time; also, a distortion of time whereby an event or person could hypothetically move from one era to another. For example, Nothing in their lives has changed since the sixties; they're in a time warp, or Having a seventy-year-old actress portray a teenager--that was some time warp! This term originated in science fiction, where it signifies "a supernatural movement from one era to another," and came to be used more loosely. [c. 1950]

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