/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.
Someone who is being a little shit, sarcastic, or acts as though they know more than others.
So you're a wise guy?
Added on July 14, 2021 by danielslaughter