no shit sherlock 

When some dumbass states the obvious as if he was intelligent.

Example: "A computer uses electricity to run", NO SHIT SHERLOCK!

"Basketballs are made of rubber", NO SHIT SHERLOCK!

no shit sherlock by Flobie -- YouTuber January 11, 2018

No Shit Sherlock 

What you say to know-it-alls when they're being dumbasses.

No shit sherlock.

No Shit Sherlock by Do you want a fucking medal? April 20, 2011

No Shit Sherlock 

Someone who believes they always have the answers, a know-it-all. Usually used to insult that person when they make a stupid insight or just repeat what has already been said. Sherlock being a reference to the literary detective sherlock Holmes.

"We should fix this tire."
"Well, if I were you I'd fix the tire."
"NO SHIT SHERLOCK!"

No Shit Sherlock by c. Wallace May 21, 2004

no shit sherlock 

used when someone states something very obvious, meaning "well obviously dumbass"

guy 1 - i skipped most of the questions on the exam, i will get a bad mark!!
guy 2 - no shit sherlock

no shit sherlock by jiyeung March 31, 2019

no shit sherlock 

use when stating something painfully obvious. also, this definition is true and true throughout the years.

yeah, no shit sherlock

no shit sherlock by Lil barnacles #1 fan September 20, 2021

No shit sherlock 

When a random dumbass says some shit that you already know

Dude: It's raining
Dude 2: No shit sherlock

No shit sherlock by OwO what up February 11, 2022

No Shit Sherlock 

A phrase used when someone states the obvious.

Bob: I just found out how to roast someone!
Jim: How???
Bob: No sh---

Jim: No shit Sherlock. We all know what that means.

No Shit Sherlock by DaCuteRaccoon April 6, 2022