v. & n.
--v.intr. laugh in half-suppressed spasms, esp. in an affected or silly manner.
--n.
1. such a laugh.
2 colloq. an amusing person or thing; a joke.
Derivatives:
giggler n. giggly adj. (gigglier, giggliest). giggliness n.
Etymology: imit.: cf. Du. gichelen, G gickeln