yadda exclamation 1noun 1forms 1 exclamation1 •Used three times in a row, or in combination with other words, to indicate part of a sentence which would be annoying to include, or which is incomprehensible, or which is just unimportant.In fact, the academic said, crime trends are influenced far more by demographics and social forces and yadda, yadda, yadda than by police work. — 2006 noun1 •One of a set of items which do not need to be specified; often used in conjunction with the catch phrase yadda yadda yadda.Sedona offers everything a Caravan, Voyager, T&C, yadda, yadda, yadda does, […] However, when V-6-equipped, the yaddas are a lot more quiet leaving the light or pulling into the passing lane. — 2001 formsyaddas