Shirt Fuddler

Noun ˈshərt-fuhd-ler
One who engages in shirt fuddling, the act of covertly dirtying up a shirt to dissuade it's owner from wearing it in place of another shirt the fuddler believes to be superior. Shirt fuddling is looked down upon in polite society and its practitioners are generally regarded to be of a lower order of humanity, not worthy of basic dignity or respect.

Jay: You put my blue shirt in with the dry cleaning, didn't you? SHIRT FUDDLER!!!
Susan: I most absolutely did nothing of the sort. Besides, it's a stupid shirt.