Elder Dictionary

Elderly Terms, Meanings and Definitions

whatchamacallit

/what-cha-ma-call-it/

When describing an item of an unknown title, such as a doodad, this phrase is used to make the sentence sound less silly, fully completed, and educated.
I was working on the whatchamacallit right before the pistons blew.

Added on May 8, 2011 by Terra M.