1 definition by Spade Newsom
A snide response to someone (usually a know it all) who has made a statement that is very obvious using a sarcastic reference to Sherlock Holmes the famous literary detective.
Bert: "You shouldn't have let Miss Piggy blow you, your schlong is all chewed up"
Ernie: "No Shit Sherlock"
Ernie: "No Shit Sherlock"
by Spade Newsom January 14, 2011