be 100 years too early(redirected from be a hundred years too early)
be 100 years too early
slang To be very young, immature, or inexperienced. Commonly used in anime and manga, the phrase is a loan translation (calque) of the Japanese phrase 「百年早い」 (Hyaku-nen hayai). Are you crazy? You're 100 years too early to fight a skilled warrior like him!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.