also: タイムスリッパ
noun
Wasei-eigo from English 'time slipper'; refers to a person who travels through time, similar to 'time traveler'.
wasei-eigo (Japanese-coined English), from time slipper
彼は自称タイムスリッパーで、未来から来たと言っている。
He claims to be a time traveler, saying he came from the future.