High-pitched childish laugh (6)
I believe the answer is:
giggle
(Other definitions for giggle that I've seen before include "Titter" , "Laugh foolishly" , "Laugh nervously" , "Foolish or nervous laugh" , "Nervous or silly laughter" .)
I believe the answer is:
giggle
(Other definitions for giggle that I've seen before include "Titter" , "Laugh foolishly" , "Laugh nervously" , "Foolish or nervous laugh" , "Nervous or silly laughter" .)