A good-looking young woman, usually blonde with large breasts, who pretends she doesn't want to be tickled, but makes sure her breasts wobble invitingly and her gusset ripens when she is.
'I say Barnabus, your niece Lucy seems unusually reluctant to let me ruffle the duster around her decolletage and gusset this afternoon.'
'Mock-protests of a ticklish slut, archdeacon Merryweather. Persist and you will be rewarded by squeals of joy, although you may try using the octopus from my study. Won't you have a sherry before your next attempt?'