No shit vs Of course

When to use each in English, with meaning, register, and examples.

No shit

SlangTop 5,000 (fairly common)

Of course

Top 1,000 (very common)
Most formal: Of courseMost common: Of course
 No shitOf course
Pronunciation🇬🇧 //nəʊ ʃɪt//🇺🇸 //noʊ ʃɪt//🇬🇧 //əv kɔːs//🇺🇸 //əv kɔrs//
MeaningAn expression used to show that something is obvious or true.Definitely, it's obvious.
ExampleDid you see that movie? It was amazing! No shit!Are you joining us for dinner tonight? Of course!
RegisterSlangNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
Collocationsno shit, Sherlock, no shit, really, no shit, of courseof course not, of course yes, of course you can, of course it is
Common mistakesUsed in formal writing or speech., Confused with 'no kidding' or 'really' in different contexts., Overused to the point of losing emphasis.Using it in formal writing where a different expression is needed., Confusing it with other affirmations like 'certainly' or 'definitely'.
Usage notesUsed informally to emphasize the obviousness of a statement. Not appropriate in formal situations.Used in informal and formal situations to affirm something obvious. Avoid in highly formal writing.

See it in real clips

No shit
Of course

Frequently asked questions: No shit vs Of course

What's the difference between No shit and Of course?

No shit: An expression used to show that something is obvious or true. Of course: Definitely, it's obvious.

Which is more formal: No shit and Of course?

Of course is the most formal of these.

Which is more common: No shit and Of course?

Of course is the most common in everyday English.

Can you show an example of each?

No shit: Did you see that movie? It was amazing! No shit! Of course: Are you joining us for dinner tonight? Of course!

Can I use No shit and Of course interchangeably?

Not always. No shit and Of course are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons