Cain and Abel = a table
Cape of Good Hope = soap
Captains Bloods = spuds (potatoes)
Captain Cook = a look
Cash and carry = to marry
Cast a net = have a bet
Cats and mice = dice
Cattle dog = a catalogue
Cattle ticks = Catholics
Charlie Britt = have a fit
Charlie Chase = a race
Charlie Wheeler = a sheila
Cheese and kisses = the missus (wife)
Cherry ripe = a smoking pipe
China plate = a mate
Chocolate frog = a wog
City banker = a wanker (a foolish person)
Clickety-click = a stick
Clothes pegs = the legs
Coca Cola = a bowler (in cricket)
Coffs Harbour = a barber
Comic cuts = the guts
Cotton wool = a pull (to masturbate)
Cough and sneeze = cheese
Cries and screeches = leeches
Cry and laugh = a scarf
Cucumber = a number
Cuff link = a drink
Curly locks = socks
Currant bun = the sun
Currant bun = a nun
Curry and rice = the price