Top Definition
A mumbling of words made up by one heck of a weirdo used when there is nothing to say, you don't understand something, or in place of the word DUH.
(1) silence* UHDUBBADAY...

(2)SO the square-root of a number x times y to the 2nd times a number Q....
uhhhhDUBBADAY??

(3)
-Person 1- wait,... 2+2=4?!
-Person 2- UHH DUHH! UHH DUHBADAYYYY
by *-Cody C-* March 03, 2005
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