Here are 10 useful words/terms which don't currently exist in the English language...maybe they should:
AQUADEXTROUS (ak wa deks'trus): Possessing the ability to turn the bathtub tap on and off with your toes.
LACTOMANGULATION (lak' to man gyu lay' shun): Manhandling the "open here" spout on a milk container so badly that one has to resort to opening the other side.
DISCONFECT (dis kon fekt'): To sterilize the piece of candy you dropped on the floor by blowing on it, assuming that this will somehow "remove" all of the germs.
ELBONICS (el bon'iks): The actions of two people maneouvering for one armrest in a movie, on a plane, etc.
UMFRIEND (um frend): A personal relation of dubious standing or a concealed intimate relationship, as in "This is Kelly, my ... um ... friend."
XEROX SUBSIDY (zee rox sub sid ee): Euphemism for swiping free photocopies from one's workplace.
PHONESIA (fo nee' zhuh): The affliction of dialling a phone number and forgetting whom you were calling just as they answer.
TREEWARE (tree ware): Computer tech slang for documentation or other printed material that can't be read online or on a computer screen.
FOUR-O-FOUR (404): Someone who's clueless. From the World Wide Web error message "404 Not Found," meaning that the requested document could not be located. "Don't bother asking him; He's 404, man."
TELECRASTINATION (tel e kras tin ay' shun): The act of always letting the phone ring at least twice before you pick it up, even if you are only 6 inches away from it.
OHNOSECOND (ono sek ond): The fraction of a second it takes to realize you just made a big mistake on the computer. For example, clicking "No" when prompted to save the document you spent all day composing or, clicking "Send" before deleting the profanity you were venting with in the message to your boss.