Pronunciation: (pit'u-pat"), [key]
—adv., n., v., -pat•ted, -pat•ting.
with a quick succession of beats or taps: Her heart beat pitapat with excitement.
the movement or the sound of something going pitapat: the pitapat of hail on a roof.
to go pitapat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.