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Use "whatzits" in a sentence
"Cutting edge computers are almost always a waste unless you're in some science-y trade that requires the most advanced doozey-whatzits - all the components you put into that machine will be half the price you paid for them within a year."
"Well, those over 20 anyway, the rest of those youngsters will just go "huh?" and go back to customizing their myspace pages with more annoying animated whatzits and thingamabobbles."
"Epilepsy-inducing myspace pages, digg/reddit oriented "top X reasons to Y" type "stories", news / link blogs like this one, video games, billboards with flashy lights and animated whatzits all seem to be ways that are needed lately to keep our attention, hell, to catch our attention in our ADD type attitudes."