Sentence:  "'Mr. Szalla' is my eighty-two-year-old father, Nikki. Please call me 'Wally'." / "Well. 'Wally'." / I felt my face burn pleasantly. "<WSD>Wally</WSD>" was such a comfortable old-shoe kind of name. 
Meaning of the word marked with <WSD> tags:  A diminutive of the male given names of Waldo and Walter and Wallabee and Wallace.