まさか is disbelief: “surely not!” or “don’t tell me…”. まさか、お前が？ = “don’t tell me it was you!”. まさかの〜 means “an unexpected…”: まさかの展開 = “a twist nobody saw coming”.
Fine in most company. Said alone it is dramatic; to a boss, put it in a full sentence: まさか、本当ですか？
A stranger excitedly greets someone like an old friend, but the other person clearly has no idea who they are.
I mean, who'd ever expect a coincidence like this, right?
Textbookまさかこのような偶然があるとは思いませんでした。「まさか…なんて思わない」 means 'never imagined'; casual 「なんて」 replaces 「とは」, and 「ですからねー」 adds a chatty, stretched tone.
A stranger claims to see the future and says they knew Ishimoto would arrive here; Ishimoto asks if it's really true.
Culture note Shohei Ohtani is a Japanese baseball superstar whose sudden 2024 marriage announcement surprised the whole country.
Who'd have thought Ohtani would get married right then, huh?
Textbookまさか、あのタイミングで大谷選手が結婚するとは思いませんでした。'まさか〜とは思いませんでした' is cut to 'まさか〜とはね'. The verb is dropped, and 'ね' invites agreement.
A villain vows to destroy the world, and a hero appears to stop them, introducing themselves with a grand speech.
No way!
Textbook信じられません。The full sentence 「信じられません」 is reduced to one stunned word, 「まさか」: 'No way!'
One performer wanted a famous person's quote, but instead gets an odd saying and is asked to guess who said it.
No way!
Textbookまさか、そんなはずはありません。Bare 'まさか!' replaces a full 'まさか〜ではないでしょう'. The speaker guesses the answer and refuses to believe it.
A man grieving for Nanako, a hostess he knew, says he wants to see her again, and suddenly a woman's voice answers him.
Culture note At Japanese hostess clubs, customers can pay extra to 'nominate' (shimei) a specific hostess to sit with them.
Wait, no way... Nanako, you really came to see me?
Textbookえっ、まさか、ナナコさんが本当に会いに来てくださったのですか。Instead of a full sentence like 「信じられません」, the speaker blurts 「まさか」 ('no way') right before the question they can hardly believe.
While reacting to an anime, the performer searches a scene for a fox and spots something fox-colored.
No way…
Textbookまさか、そんなはずはありません。Bare 'まさか' stands in for a full 'まさか〜ではないでしょう'. The speaker leaves the unbelievable idea unsaid.
From other routines in the library. Automatic transcripts, not yet checked line by line.
まさか means “no way… surely not”. まさか is disbelief: “surely not!” or “don’t tell me…”. まさか、お前が？ = “don’t tell me it was you!”. まさかの〜 means “an unexpected…”: まさかの展開 = “a twist nobody saw coming”.
With friends: OK. With coworkers: OK. With a boss or teacher: careful. Fine in most company. Said alone it is dramatic; to a boss, put it in a full sentence: まさか、本当ですか？
In 1,905 live comedy routines, まさか appears in 111 lines from 64 comedians.