- a nervous restrained laugh
- giggle: laugh nervously; "The girls giggled when the rock star came into the classroom"
- (tittering) thoriated: being or sounding of nervous or suppressed laughter
- Laughter is an audible expression of happiness, or an inward feeling of joy. It may ensue from jokes, tickling or other stimuli. It is in most cases a very pleasant sensation.
- A nervous or repressed giggle; To laugh or giggle in a somewhat subdued manner
- To suppress a laugh.