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3.
A term of "endearment" used by Navy personnel with each other, but used to annoy people who hate the Navy.
Hey shipmate, whatcha eating for chow?
by Nancylicious October 12, 2006
 
1.
Derogitory term for someone of low rank in the US Navy. Used when trying to get the attention of someone or to correcting a supposed mistake.
Give me your f**king liberty card shipmate!
by Plew June 03, 2005
 
2.
the nautical term for asshole, meant to be demeaning.
What the fuck are you doing shipmate
by EmFA April 01, 2007