well no shit sherlok. do you really need to search up what 'duh' really damn means?
Jerry- How do you spell meh name???
me- duh u fucken dumb ass- j e rr z
Jerry- really?
me*eyeroll* your a twat
by Juzo_Kirishima March 14, 2019
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Response to someone telling you the obvious as if it's not apparent to you, like your a fucking idiot or something .
Condescending prick : "if you don't use your turn signal you could be pulled over by the police and get a citation , then they'll find out you don't have proof of insurance". You: "no duh! Now hold that bong lower ,bitch."
by Jacksonfink January 31, 2019
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An exclamation used to make any statement true.
by CCC2 December 19, 2006
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The pussy way of saying the phrase, "No shit."

Often used by twelve year olds around their parents due to the fact that they're not allowed to cuss.
Random 12 year old: Guess what! Spiderman shoots spider webs!
Other random 12 year old: No duh.
15 year old: Pussies.
by Pseudonym Mary June 17, 2009
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