No shit, Sherlock

Meaning

A sarcastic remark used to point out that someone has stated the absolute obvious. It is meant to belittle the speaker for being Captain Obvious.

Sarcastic, biting

Used in a sentence

• I told my boss the coffee machine was broken because it was leaking everywhere and he just stared at me and said No shit, Sherlock.
• When I mentioned it was raining outside, my brother looked at me and replied No shit, Sherlock.
• My teenage son rolled his eyes when I reminded him to wear a coat and muttered No shit, Sherlock.