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 30, 2019
Get the No duhmug. 
by ashluvssleep April 22, 2016
Get the duh duh duhhhhmug. 
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.
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.
Other random 12 year old: No duh.
15 year old: Pussies.
by Pseudonym Mary June 16, 2009
Get the No Duhmug. A phrase used when something of great ecxellence is hapening. Usually followed by pointing one finger to the ground and rotating it.
Two guys walk into a bar. A hot chick goes up to one of the guys and asks if he wants head. He would look at his friend, say duh and spin his twirling towards the ground.
by Big Chew July 3, 2005
Get the duh?mug.