look up any word, like dirty sanchez:
Doing something right the first time.
Michael was rejected from Harvard University for failing to follow Parson's Law. He didn't fill it out properly his first try.
by Dorm Chief March 06, 2013
The law stating that a piece of equipment will not work, named after physicist Nick Parsons
This Maltese cross tube isn't working, clearly it obeys Parsons' law!

This is not the way it should be, it must be Parsonic.
by Lsymms December 15, 2013