Cad: A man who doesn't tell his wife that he's sterile until she's pregnant
Cannibal: Someone who is fed up with people
Cardiac: Someone crazy about old cars
Carditis: Addicted to poker
Carpal: People who drive to work together
Cauterize: Made wye contact with her
CGI Joe: A hard-core CGI script programmer with all the social skills an charisma of a plastic action figure.
Chicken: The only animals you eat before they are born and after they are dead.
Chip Jewelry: A euphemism for old computers destined to be scrapped or turned into decorative ornaments. "I paid three grand for that Mac SE, and now it's nothing but chip jewelry."
Chips: The fattening, non-nutritional food computers users eat to avoid having to leave their keyboards for meals.
Committee: A body that keeps minutes and wastes hours.
Compromise: An amiable arrangement between husband and wife whereby they agree to let her have her own
Crapplet: A badly written or profoundly useless Java applet. "I just wasted 30 minutes downloading this stinkin' crapplet!"
Cystogram: A telegram to your sister