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(noun) (filler-inner) origins : latin
an object that's name has temporarily become unkown to the speaker
so he took out his... erm... whats it... kerjigger and jammed it into her... um... kerjigger
by stephen kirkwood January 25, 2006
same as gizmo or watchamacallit
This kerjigger'll find the source of the interference.

Futurama - I, Roommate
by HattieMcDoogal May 09, 2010