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when you are thinking of an object, but the name eludes you(usually accompanied by finger snapping, and the word 'um' repeatedly.
see also; doo-hickey, thing-a-ma-bob, thing-a-ma-jig.
do you remember the other day when we saw the(pause)... um(snapping fingers)... the... um, you know, the whatya-ma-call-it?
by Paul J Parkinson March 24, 2005
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Whatyamacallit: Is used when you can't remember the name for something and so you replace it for 'whatyamacallit'.
I need to check my 'whatyamacallit' account balance.
by InglΓͺs June 08, 2018
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