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Typically a girl from Essex that has travelled on her Gap Year to Thailand and been "dogged" in the sea, hence the coined term SeaDog, Get your cunting dog in the sea and get her to show you her twat in the moon light
Seadog, sea doggin, doggy in the sea. dangerous unless done in a warm climate, for example this would not be great on Brighton Beach unless you had a screw loose!
by OxfordBoy April 23, 2006