1 definition by Bitter Bacon

The battle cry called out to alert members of ones team that a shoulder launched rocket is going to be fired. In reference to the Rocket Propelled Grednade (RPG) looking like a whaling tool on some online applications.

Nick: "Harpoon!!!!"
Matt: "Oh thank god you said that or it would have hit me!!!"
by Bitter Bacon March 26, 2008
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