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So I'm reading this manga, and at one point person A brings out a syringe and
starts explaining to person B about how she needs to recieve what's in the
syringe for a procedure to work, and then goes on to start explaining why
which is when person B interupts them to say:

> えいつ or maybe えいっ

[![enter image description
here](https://i.stack.imgur.com/VKBS4.png)](https://i.stack.imgur.com/VKBS4.png)

Which is followed by:

> Person A: ええ！？> Eeeh?
>
> Person B: どうかしました？ > Is something wrong?
>
> Person A: あはは！ いぇ…あまりにためらいがなかったもので > Ahaha! No...it’s the lack of any
> hesitation.

I've hit the dictionaries and there isn't anything for えいつ and while there are
some entries for えい none of them seem anything relvant.

Given the context to me it seems like B said some equivalent of "Okay", which
surprises A who expected to need to talk B into it.

Basically, is this a typo and in either case what's the meaning?
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2019-01-05T17:15:28.783
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2019-01-07T03:58:56.890
2020-06-17T08:18:27.500
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question
translation
Could this be some sort of typo
Note that the つ is small, so it's pronounced with the 「えい」sound cut short. As
opposed to a えい without a small tsu, where the sound extends naturally.

This is the かけ声 for a sudden, abrupt movement. In this case jabbing with a
needle. It carries the feeling of "ためらいがなかった" too, hence this やりとり.

You may also see it for light attacks and is usually used by girls and
considered cute. The same spelling may be used for heavier attacks, but will
be written with a font, size, etc. to convey a more forceful delivery.
CC BY-SA 4.0
2019-01-05T17:26:52.783
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2019-01-07T03:58:56.890
2019-01-07T03:58:56.890
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answer