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2.
1. a word used when you think somebody is fine as hell;
2. a word used to exlaim how unbelievable something is.
1. dayumm look at that fine ass bootay.
2. dayummmmmmmmmmmmm what happened to your face?!?!
by alison&&grace September 20, 2008
 
1.
Ghettoized way of saying damn.
and I was all grrl u need 2 get ur hair tracked! And sharonda was like dayumm grrl ima get round to it..
by Angelacia May 08, 2007
 
3.
what you say when you see
1) a hot girl
2) some really fucked up shit
or
3) something that made you jiz your pants
Dayumm that bitch is fine.

dayumm, what happened you your face?!?

Dayumm ... now I need a towel.
by wack-a-mole April 05, 2009
 
4.
A way of saying Damn. Usually about a hot member of the opposite sex.
"Dayumm Jake Woodard got hot over summer"
by OliveJuiceyoutoo April 05, 2010