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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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but boy

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "but boy" is grammatically correct and commonly used in spoken and written English.
It is usually used to express surprise or emphasis in a sentence. Example: The weather was hot, but boy, was it humid! In this sentence, the phrase "but boy" is used to add emphasis to the speaker's statement about the humidity, highlighting how intense or unexpected it was. Another example: I thought I was prepared for the exam, but boy, was I wrong. Here, "but boy" is conveying the speaker's surprise and realization that they were not as prepared for the exam as they initially thought. In both cases, the phrase "but boy" adds a conversational and informal tone to the sentence, making it suitable for casual or informal writing.

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

(But boy, what technique!).

News & Media

The New Yorker

But, boy, it's hard.

News & Media

The New York Times

But, boy, are they.

News & Media

The New Yorker

But boy, that 35 Across.

News & Media

The New York Times

But boy, is there intensity.

News & Media

The New York Times

But boy, so much dialogue.

News & Media

Independent

"But boy, is it fun".

(But boy, what technique!)..

News & Media

The New Yorker

"But, boy, they do.

News & Media

The New York Times

But boy, was it worth it.

News & Media

Independent

"But, boy, the start was not good".

Show more...

Expert writing Tips

Best practice

Use "but boy" to inject a conversational and emphatic tone into your writing, particularly when expressing surprise or highlighting a contrast. It's effective in informal contexts where a personal touch is desired.

Common error

Avoid using "but boy" in formal or professional writing, as its informal tone can undermine the seriousness or authority of your message. Opt for more neutral or formal alternatives like "however" or "nevertheless" in such settings.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "but boy" functions as an interjection or emphatic device, typically used to express surprise, emphasis, or contrast in a statement. According to Ludwig AI, it injects a conversational tone, often following a clause to intensify its meaning. Examples from Ludwig showcase its role in adding emphasis to feelings or situations.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Ludwig's WRAP-UP

The phrase "but boy" is a grammatically correct and frequently used expression to convey surprise or emphasis. It is most commonly found in News & Media, and as Ludwig AI points out, adds a conversational tone to writing. While effective in informal contexts, it should be avoided in formal or professional settings. Alternatives like "however, wow" or "yet, surprisingly" can be used depending on the desired level of formality. Remember to use "but boy" judiciously to maintain the appropriate tone for your audience and purpose.

FAQs

How can I use "but boy" in a sentence?

Use "but boy" to express surprise or add emphasis, like in "The task was difficult, "but boy", was it rewarding!" It usually comes after a statement to highlight an unexpected or intense aspect.

What are some alternatives to "but boy"?

You can use alternatives like "however, wow", "yet, surprisingly", or "still, amazingly" depending on the context and desired level of formality.

Is "but boy" suitable for formal writing?

No, "but boy" is generally not suitable for formal writing. It's better suited for informal or conversational contexts where a more personal and emphatic tone is appropriate. In formal writing, consider using more neutral alternatives.

Which is correct, "but boy, was I wrong" or "but boy I was wrong"?

"But boy, was I wrong" is the grammatically correct version. The comma after "boy" and the inversion of the subject and verb (was I) create the emphatic and slightly exclamatory effect typical of this phrase.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: