1) The term short for
thing-a-ma-
jigger that indicates an object whose name is either not necessary in the context or not remembered by the speaker.
2) A low-profile jig that Mick Jagger does when he wakes up on a sunny morning that promises to by a good
day.
1)
Hey, pass me that...
umm.. majigger over there please.
2) No footage has actually been
taken of him doing the majigger, but I swear it exists.