'pitty-pat' definitions:

Definition of 'pitty-pat'

From: WordNet
adverb
As of footsteps; "he came running pit-a-pat down the hall" [syn: pit-a-pat, pitty-patty, pitty-pat, pitter-patter]
adverb
Describing a rhythmic beating; "his heart went pit-a-pat" [syn: pit-a-pat, pitty-patty, pitty-pat, pitter- patter]