matchy-matchy , adj :
(fashion) Of clothes or upholstery: excessively color-coordinated. Twins Days, a festival celebrating multiple births, takes place annually in Twinsburg, Ohio, USA, during the first full weekend of August.
Source http://handbookblogger.blogspot.com/2017/08/matchy-matchy-word-of-day-for-august-5.html
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