Sentence:  He still had bumfluff on his cheeks, he was that young. About once a month he used to shave it off, and come <WSD>skiting</WSD> about it. I smiled at the memory of him all lathered up, grinning at me through the mirror as he went to work on the bumfluff. 
Meaning of the word marked with <WSD> tags:  To boast.