Top Definition
When you have McMaster history homework and you procrastinate by masterbating, wasting precious time needed to do work.
I had a ton of homework yesterday but I decided not to do it and McMasterbate instead.

Hey Evan last night I McMastebated all night!
#school #work #procrastination #masterbation #homework #fail
by AdmiralWolverineLightningbolt January 10, 2010
6 Words related to McMasterbate
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