Onomatopoeia that evokes the musical flourish that accompanies dramatic climaxes in movies and theatre performances. Used to express an emotional reaction to a sudden change of circumstances or something brought up in conversation, usually surprise or trepidation.
Person A: "The boss wants me to run the department while he's away on holiday."
Person B: "Duh nah nah nah!"
Person A: "I have to get back for an exam tomorrow but they just cancelled my flight!"
Person B: "Duh nah nah nah!"
When the best friend fucks with the best friends boyfriend
Oh NAH U DIDNT
Peter: you’re so horrid Henry
Henry: nah nah nah nah nah nahhh
shrivaas simp and monke buffon
yo its a bhavi-nah prob making out with shrivaas again
when someone does a weird thing and u wanna tell your friend about it without them listening
*someone says something dumb in class*
"nah ma ved a queeee"
Like Atrocious, Atrosh-nah is simply and abreviated and more forceful term for horrible.
Britney Spears boob job is atrosh-nah.