Top Definition
the one nut, bolt, etc that refuses to come loose out of a collection; providing one with a good ass-fucking!! -ie:mechanic's law!!
haven't you got that done yet? -i got five of the six bolts out, but this last bitch is rusted, i've got to fuck with it...!!!

-mechanic's law!! (ie:ALWAYS ONE!!)

mechanic's law was making ten-cents hold up a fuck-damn dollar!!
by michael foolsley February 03, 2010
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