Our family has a metric shedload of these...as you will see, a lot of these come from my (mental) Gran.
We also call digestives suggestives, but chocolate digestives are "highly suggestives".
Another one is "chippings" for jewellery, especially precious stones; this comes from my gran's disparaging comment about the size of my mum's engagement ring ("it's very small...was it a chipping off a bigger stone?") "Chippings" especially applies to large flashy ostentatious pieces of jewellery eg. the Queen's crown / Bet Lynch's earrings etc.
Facility Kendal instead of Felicity, as that's what my Gran calls her (not humourously, she thinks that's her name)
Pruning instead of preening, and vice versa; another Gran-ism ("sure look at that lovely bird on the lawn there, 'tis pruning itself"..."that hedge really needs preening again").
Effylopes for envelopes, as both my brother and sister pronounced it that way when they were small.
Picture-skew for picturesque.
Substances for breasts (from the Peter Cook and Dudley Moore sketch)
An elfin beauty (from the same sketch) used to describe an actress or other celebrity who is either a) trying way to hard to look glam b) has totally overdone the plastic surgery or c) is well past their sell by date but is still trying to look young (Liz Taylor being the classic example.)
More as I remember them.