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1.
NOUN:
Thingamajig, whatchamacallit, wossname, thingamabob. Term used to describe something whose exact name is unknown.
First overheard in Bloomington, Indiana, in 1973.
"Hand me that there hulamagatchie, will ya?"
"You can't look at just one aspect of the thing; you've got to consider the entire hulamagatchie."
by James J. Mitchell August 31, 2006