/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.
bobblehead, adjective
Someone who is overly ditzy to the point of not knowing what’s going on around them.
Stop being a bobblehead and get back to work.
Added on May 8, 2011 by danielslaughter