Stating something obvious, this is a sarcastic way of saying "It's very obvious, you can shut up now."

The victim can follow up with "Fuck you Watson" or similar to defend themselves.

A very sarcastic way of saying: obviosly.
(Sherlock Holmes was a detective in a classic series of books.)

The witty response to a statement of sorts

No shit sherlock is used to insult someone who is stating to blatant obvious. similar to "you don't say" or "thanks captain obvious!"

if someone is saying something obvious instead of saying "no fucking shit" you would add "sherlock" to it just to insult them further.

A Saying That People Say When Someone States The Obvious

A full of sarcasm phrase used to state what you're saying is obvious.

A phrase that shows something is obvious.