whachamacallit 

A word used when the actual name of the object in question will not come to mind. Very versatile but often very vague. It is derived from the phrase "what-you-may-call-it" which can be found in T. H. White's The Once and Future King.

Claire- "Hey, Adam, hand me the- the- you know, the whachamacallit."

Adam- "The what?"

whachamacallit by Cu2Au May 24, 2006

whoshamacallit 

Stand-in word used when you can't think of the right one. The "sha" is properly pronounced as in the French "Je".

Make it go faster by turning that whoshamacallit.

whoshamacallit by june t July 11, 2011

whoshamacallit 

word for when you don't remember somebody's name

I'll never forget old whoshamacallit who lives in Brandenburg

whoshamacallit by june t October 26, 2015

whatchamacallit 

Something you can't remember the name of.

You know that thing , that whatchamacallit .

whatchamacallit by Edmarie Cubille' May 13, 2016

Whatchamacallit 

A word used when the actual name of the object in question will not come to mind. Very versatile but often very vague. It is derived from the phrase "what-you-may-call-it" which can be found in T. H. White's The Once and Future King.

Claire- "Hey, Adam, hand me the- the- you know, the whatchamacallit."

Adam- "The what?"

Whatchamacallit by Cu2Au May 30, 2006

whatchamacallit 

An object that you dont know the name of.

Yes he did wear a whatchamacallit.

whatchamacallit by Chocolate Princess July 5, 2003

watchamacallit 

A word used to replace a word that you don't know. "Doohickey" and "thingamajig" are equivalents.

You just push the button on the watchamacallit, then it's ready!

watchamacallit by th100 May 27, 2010