Clashy-clashy

"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."

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.

She told me that just because matchy-matchy wasn't in, it did nawt^([sic]) mean clashy-clashy was.