Lewis & Short

păpae, interj., = παπαί, wonderful! how strange! indeed! papae! divitias tu quidem habuisti luculentas, Plaut. Rud. 5, 2, 33; id. Bacch. 2, 2, 29; id. Men. 5, 5, 20: papae! jugularas hominem, Ter. Eun. 2, 1, 23; 3, 1, 26; Pers. 5, 79.