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to make something inoperable through incompetence or lack of knowledge.
That idiot at the garage wimmed my car and now it's a dud.

I tried to recombobulate my computer with the disc thingy but I stuffed it up and now it's wimmed.
by Bomb Doe February 10, 2008
to describe something that no longer works.
My computer is wimmed.
by Bomb Doe February 09, 2008