Once had one but the wheels fell off. Looks like a piffy up a stick. Black over Will's mother's Mad as a box of frogs. Daft as lites. Clumsy Clot. Thinks his body every self cos his mother's got a mangle (my late MiL's favourite saying) Up the apples and pears to Bedfordshire
My Mum used to say "I,le eat hay wi a donkey (if such and such a thing happens); and; Shine a light!(this phrase was used to display her exasperation) more acceptable than swearing.
Come to think of it,(now that I am thinking of it);we, as the older generation, and not using very much swear words, as they seem to do , especially on telly; ought to encourage the use of all such old fashioned phrases. If the young heard them much more often, maybe the use of foul expletives would diminish,eh?
A sandwich short of a picnic Sharp enough to cut yourself.
I still use a lot of the other sayings mentioned in the thread. I don't swear but use other words instead - such as 'fudge' and 'sugar'. You can probably guess what swear words they replace