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1.
When taking a lady from behind, one reaches round and wipes their hand across/in/around the lady minge in order to obtain lady water on one's hand. The mucky hand is then smeared over the lady's face, and the words uttered 'Avast, the Salty Sea Dog'!
Jesus, that kebab was rank. It tasted like a Salty Sea Dog
by jamjam41 July 10, 2008
 
2.
A male or female that takes there best friends boyfriend or girlfriend to the beach and makes love with them in the ocean
Ill never forgive that salty sea dog from the beach that year.
by Swagger jagger 1991 August 05, 2013