The should-have-been word given to a laugh that we say instead of do.
Real people:'laughs'
Benedict Solution Preposterous IvyHarvard Jeeves Monocle Tophat Thee IV: I am s'rry. Is this a joketh yond i am too rich to und'rstand? Chortle Chortle
NB. This word is found only in certain British boy's comics, namely the Dandy and the Beano. It is extremely rare to use it in normal speech, unless inviting laughter.