noun. A crapamajig.
Real citation: “I think you're right stillshimpy re: Gina. Not only did Pegasus have to do a blind jump seconds before a double dose of nukes came their way, they had to sever the docking thingahoosits prematurely and leave with their knickers down. Unless Gina knew Cain, the soldier, very well, she couldn't have guessed that. Hell, Cain didn't even know that she would try something like that.”
(LFNikita, Nov. 26, 2007, “4-0: "Razor" 2007.11.24,” Television Without Pity, http://forums.televisionwithoutpity.com/index.php?s=&showtopic=3152412&view=findpost&p=9304560)
Made-up citation: “I would never pay fifty bucks for a thingahoosits. I wouldn’t even pay that much for a night with your mom. Then again, I’ve never had a thingahoosits…”