The sound between scenes in Law and Order. The expression originated when 4chan changed the "Post Successful" page and font to look like the Law and Order black screen between scenes. The page played the sound, "Dun Dun," from Law and Order. 4chan /b/tards began to post the expression, "Dun Dun," anywhere to import a sense of finality or just randomly.
by KingfishRex May 26, 2010
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when you don't know a songs name and it doesn't have any lyrics\
Jamie: ok google play me the song that sounds like this! dun dun dun dun dun dun dun
google: you fucking dumbass this is why nobody likes you, your such a fucking twat.
by urmompussyass123 September 1, 2020
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Used immediately after a shock revelation, in the style of a 1940's or 50's movie.
luke... i am your sister dun Dun DUNNNNN!
by Kung-Fu Jesus May 1, 2004
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an annoying yet extremely entertaining exclamation used most efficiently with "your mom"s for the perfect burn.
always following a question regarding the statement in the format of:
or *insert verb* *insert pronoun*?!
person 1: I had fun with your mom last night.
person 2: or did you?!
everyone around them: DUN DUN DUUUUUUUNNNN!!!
by Annie January 15, 2005
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somethin bad is gonna/could happen
i was goin fo a walk an ran ova a old lady.
dun dun dun!
don worry i blamed her an got money
by jessbooger June 16, 2004
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