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1. British slang for head, skull

2. A wild sweet cherry (Prunus avium) often used as grafting stock; a very hard wood
Cassio told Montano he'd knock him over the mazzard if he didn't bacdafucup, but he kept fucking with him so Cassio knocked out his brains.
by Fire Me Hotly September 11, 2009
A mattress blizzard
Oh Snap! That mazzard in Russia was a bad one. There were soiled mattress's everywhere.
by jjalv7 October 13, 2010