Sail Ho!
A pirates way of letting other know that another ship is in view. The first part of a ship visible over the horizon is the sail.

Scuppers
Openings along the edges of a ship's deck that allow water on deck to drain back to the sea rather than collecting in the bilges. "Scupper that!" is an expression of anger or derision: "Throw that overboard!"

Scurvy
(1) A deficiency disease which often afflicted sailors; it was caused by lack of vitamin C, characterized by weakness, anemia and spongy gums. (2) A derogatory adjective used to describe someone. In the sense of 'scurvy dog' it
  meant low or mean (not angry, but low in quality.)

Sea rover
Pirate; pirate's ship.

Shiver me timbers!
An expression of surprise or strong emotion.

Si, si!
To a Spanish pirate, "Yes!"

Sink me!
An expression of surprise.

Smartly
Quickly. "Smartly there, men!" = "Hurry up!"
 
         
 
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