2008, Lisa Papademetriou, Accidentally Fabulous, Scholastic (2008), ISBN 9780545046671, page 2:"You could have borrowed one of Dad's ties," I pointed out."Dad only has striped ties," Kirk said. "I've only got striped shirts. I'm not about to get all clashy-clashy at some fancy party."
2009, Caitlin Moran, "Forget pushy parents, the less you encourage your children the better", The Times (UK), 3 August 2009:Nor getting everyone’s “colours†done, so that the high streets won’t be so “clashy-clashy,†and constantly distressing to the more aesthetically sensitive.
2010, Lisi Harrison, My Little Phony, Poppy (2010), ISBN 9780316132565, unnumbered page:She told me that just because matchy-matchy wasn't in, it did nawt mean clashy-clashy was.
