fu Save Could not find fú in Logeion dictionaries. fú Interjection of fu See fú in Morpho Lewis & Short Georges DMLBS Gaffiot 2016 LaNe fu, interj., v. fue. fū, Interj., pfui! Plaut. most. 39; Pseud. 1294. Not. Tir. 17, 3. Vgl. Charis. 239, 10. fu v. phu fū, v. phū. fū interj. (Plaut.) bah!