Sentence:  "Ol' Clint's all <WSD>duded</WSD> up, too," Cully announced as Savannah opened the door to the only Culhane she had eyes for. "All <WSD>duded</WSD> up" meant Clint had on a pair of gray slacks that no Savile Row tailor could have made fit any better; a crisp, blindingly white Western dress shirt with pearl snaps down the front; and a black string tie held together with a small silver "CC" ... 
Meaning of the word marked with <WSD> tags:  "Usually followed by" '''(up)''': to dress up, to wear smart or special clothes.