Definitions include: A slang phrase for "What you might call it" usually spoken when a person can't describe something or have no word for it. Compare to: Thingamajig, Whoopty-Wam or Doo-Hiccy. Mostly used by Mechanics, Geeks and Engineers. Example: Jason can you grab my [Whachamacallit] out the glove compartment for me? You me your registration? Yeah my registration..Thanks
Definitions include: A vacuous twit whose life experience resulted in no intellectual growth whatsoever; whose self-image was formed by sycophants and servants; whose accomplishments were achieved solely by the labors of others; whose wealth was "won" by the blind luck of one sperm accidentally finding a soft-shelled ovum.