an explative, not unlike whoa. It is a more emphasized version of the word "damn" when it is used in the same way.
by Fatass February 13, 2003
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A 2 syllable "damn" for some thing or someone cool/sexy/breathtaking
"dude look at that sunset"
"oh dayum..."

dayum... check out that chick/dude
by some_stale_meme December 20, 2016
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A word often interchangeable with the word damn. Used to convey extra damn-ness.
DAYUM GIRL! YOU GOT SOME HIDDEN STRENGTH!
by dj dz January 25, 2009
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A slang used for the word damn. Often used by guys when they see a hot girl, or when they get busted.
As she walked by he turned to his friends and said "Dayum! That girl is fly"

Guy 1: My girl walked in out on me last night
Guy2: Dayum bro, shitty buzz
by Jesper7 September 16, 2007
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Dayum, interchangeable with damn
As in, dayum that girl is fine!
Dayum I hate it when my car won't start!
Dayum I can't believe you just said that!
by Volcano October 1, 2005
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dayum is a word used when someone tell you about something so shocking or hurtful, you gotta say dayum instead of damn.
person 1: I asked out my crush and she told me we can't date because I'm like "a brother" to her.
person 2: Dayum!
by wither_angel May 25, 2021
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an adjective to define a girl with crazy beauty.
that Melody is dayum fine.
by crazyeyesjunior January 27, 2011
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