2 definitions by cardinalred

Spunk Depository Unit. An easy lay, usually not clever enough to say no.
Lee, you've got no problem boning that, she a total SDU.
by cardinalred October 12, 2010
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A topless lawn game enjoyed by surgical residents
Hey, tonight after the board exam we're going to play Lactated Ringers on The Oval! Who's in?
by cardinalred August 17, 2012
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