be 100 years too early
(redirected from are 100 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.