/pit"euh pat'/ , adv., n., v., pitapatted, pitapatting .
adv.
1. with a quick succession of beats or taps: Her heart beat pitapat with excitement.
n.
2. the movement or the sound of something going pitapat: the pitapat of hail on a roof.
v.i.
3. to go pitapat.
[ 1515-25; imit. gradational compound ]