Top Definition
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 01, 2004

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the dramatic sound usually in movies that sybolizes something bad happened or is about to happen.
a nasty surprise is coming her way (dundundun)
by inouluvme April 08, 2009

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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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The point in a movie when someone first hears something creepy or learns about someone's evil plans.
Evil person: ..and then I will kill her.
Background music: DUNDUNDUN
by loonom August 24, 2013

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Usually a sound that happens when something bad happens, usually it's as music but some people actually say "DUNDUNDUN" when something bad happens just to be funny.
Pregnant wife says to husband: MY WATER JUST BROKE!!

Husband: DUNDUNDUN!
by Final Fantasy DUNDUNDUN October 05, 2011

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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 15, 2004

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This usually occurs straight after what we call in guitaring terms, "the thunder chord". This is from the hit Slayer song which sounds like all the others, Raining Blood. After the initial dun dun duns there is another type of thunder which is simply called "pinch harmonic dm7 thunder creatarsm". Then the guitars come in with wee niddle nee niddle nee niddle nee. Of course the dun dun duns keep going throughout the song and so provide fantastic music listening
DUN DUN DUN! wee niddle nee niddle nee niddle nee DUN DUN DUN!
by ThrashBlade March 10, 2008

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