When you want to cross a river but don't have a board, so you tie your peasants together and ride them across. Invented by Leonardo da Vinci in 1634.
Sarah: I left my boat at home yesterday, so my jamboys drifted me across the river.
Jake: ah yes, the serfboard. Quite a fear of engineering.
by Dickshitbutt February 19, 2016
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When a peasant starts an uprising so you have to waterboard them.
Jake: my slaves got out of control today, so I had to waterboard them. I hate my serfs
Sarah: ah yes, the serfboard. I remember the first time my father let me serfboard our servants.
by Dickshitbutt February 19, 2016
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