Here is a great one if you like word play:
Here is the Washington Post's Mensa Invitational which once again asked readers to take any word from the dictionary, alter it by adding, subtracting, or changing one letter, and supply a new definition.
Here are the 2005 winners:
Cashtration (n.): The act of buying a house, which renders the subject financially impotent for an indefinite period of time
Ignoranus: A person who's both stupid and an a@@..etc. (oops!)
Intaxication: Euphoria at getting a tax refund, which lasts until you realise it was your money to start with
Reintarnation: Coming back to life as a hillbilly
Bozone (n.): The substance surrounding stupid people that stops bright ideas from penetrating. The bozone layer, unfortunately, shows little sign of breaking down in the near future
Foreploy: Any misrepresentation about yourself for the purpose of getting *ahem*
Giraffiti: Vandalism spray-painted very, very high
Sarchasm: The gulf between the author of sarcastic wit and the person who doesn't get it
Inoculatte: To take coffee intravenously when you are running late
Hipatitis: Terminal coolness
Osteopornosis: A degenerate disease (This one got extra credit.)
Karmageddon: It's like when everybody is sending off all these really bad vibes -- right? -- and then, like, the Earth explodes and it's, like, a serious bummer
Decafalon (n.): The gruelling event of getting through the day consuming only things that are good for you
Glibido: All talk and no action.
Dopeler effect: The tendency of stupid ideas to seem smarter when they come at you rapidly
Arachnoleptic fit (n.): The frantic dance performed just after you've accidentally walked through a spider web
Beelzebug (n.): Satan in the form of a mosquito, that gets into your bedroom at three in the morning and cannot be cast out
Caterpallor (n.): The colour you turn after finding half a worm in the fruit you're eating.