a term coined to describe getting ass while aboard, chicks ahoy!. This term should not be limited to chicks ahoy! and can be applied to other sea craft as well.
person 1: "hey man last night I went for a night cruise on chicks ahoy! with Mary and got some sea tail."
person 2: "no way, thats great I never thought she would go for that."
by seeriousowashington February 18, 2009
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The shape formed when big, white, unflattering underwear rides up high over a woman's mom jeans.
Check out the hot whale tail on that chick!

Oh, yeah? Check out the sea cow tail on her mom!
by Dr. Charles Dromedary April 13, 2008
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