Entry 2 senses · 2 variants Webster, 1913 Pitter-patter · Pit·ter-pat·ter · IPA /ˈpɪt.ɚˈpæt.ɚ/ n. adv. 01 n. A sound like that of alternating light beats. Also, a pattering of words. 1. A sound like that of alternating light beats. Also, a pattering of words. 02 adv. With, or with the sound of, alternating light beats; as, his heart went pitter-patter. 1. With, or with the sound of, alternating light beats; as, his heart went pitter-patter.