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A phrase often used towards someone who states the obvious.
"There is snow outside, it must be cold"
"No shit Sherlock!"
by NowhereMan November 04, 2004
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2
meaning 'well of course dumbass!'
other phrases like this include grass is green
bob: i lost my brain! =)
jim: no shit sherlock
by =virus.exe= November 30, 2004
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3
duh.

what you say when someone says something very obvious.
Dude: tomorow is monday. we have school on mondays.
Dude 2: no shit sherlock!
by Hugs4TheEmoKid June 24, 2005
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4
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.
"I skipped 80 of the 100 questions on this test, I might get a bad mark!"
"No Shit Sherlock."
"Fuck You Watson."
by Voldemort Less than 3 May 14, 2009
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7
A very sarcastic way of saying: obviosly.
(Sherlock Holmes was a detective in a classic series of books.)
by colonel klink March 29, 2005
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