Often caused by excess alcohol consumtion. the act of urinating over people/objects while asleep, it is common for the person not to notice til the next morning
Great guys, Splashdown all over the sofa last night.
by boomboomchiccaboom June 21, 2010
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The act of an individual ejaculating on the face of another and promptly slapping them where they were initially came upon causing a "splashing" effect.
Billy gave Mandy a Splash Down.
by Guy Woodruff Jr. October 11, 2006
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A babies due date or more specific the exact moment when the waters break and shit gets real
No way , didn't know she was pregnant so whens splashdown ?
How long now until splashdown ?
by Lolly14 January 30, 2015
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