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1.
Should really be pronounced "Day Lee Boy", the word is charecteristic of a handsome yet wookie like male of Scottish descent.

To be in possesion of great wit and musical talent.
"Man, you guitar playing is soooo Dalyboy!!!"

Wow, you are look great like Dalyboy
by Metal Wookie August 07, 2003
 
2.
has great wit, if this same wit is large, fat, obtuse, and blunt.
There was this retard on the bus, he called me a shitbag. He was a dalyboy.
by dalyboy August 14, 2003