to pick up a fat chick, oftentimes in the service of your mate getting with her attractive friend. See also grenade.
Jay had to harpoon the whale at the caravanning party so his mate Simon could pull the fit bird.
by HolyFlurkingSchnit November 20, 2015
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The action of a hard, deep sexual penetration. (Past-tense)
Jess: “I heard you went home with Neil last night.”
Samantha: “Gurl, I got harpooned so hard.”
by Thirsty Remixed Ribosome September 16, 2018
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The easiest way to talk about pussy in public; harpoon sounds alot like "her poon". Your bros will understand but it's not too suspicious to anyone else
"You know why I love Asians, they have the tightest harpoons"
by Illiminati4LIFE November 8, 2014
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In response to the previous comment regarding the 1st verse in the song"Me & Bobby Mcgee" ...Itis well known that the "Harpoon" is a reference to a syringe used for shooting heroin. The "dirty red bandana" is used to tie off the vein.

Who ever wrote that it meant harmonica is guessing and a trolling fool.
by UrBud November 18, 2016
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When a woman masturbates or when a man fingers a woman
Woman 1: I was harpooning the whale as hard as I could last night
Woman 2: I know I heard u
by ass in your face May 19, 2018
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