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10.
A belly button ring on a fat girl also known as a harpoon
Joe: Yo did you see that fat girl with a belly button piercing it was nasty!

Bob: That wasn't a belly button piercing that was a harpoon.

Joe: No wonder whaling is illegal.
by Carabao July 05, 2010
 
1.
To make love with an extremely overweight person(s) by entering her body.... just about anywhere you could find:
Dimples, rolls, clefts, jowls, over hang... well you get the idea.
Dude the whaler harpooned her in the shoulder.
I know... probably couldn't find her vagina.
by Mutumbo Boo (DADA) August 23, 2006
 
2.
A harmonica (southern argot/slang?)
"Me & Bobby Mcgee" (1st verse):
"Busted flat in Baton Rouge, headin' for the trains,
Feelin' nearly faded as my jeans.
Bobby thumbed a diesel down just before it rained,
Took us all the way to New Orleans.
Took my harpoon out of my dirty red bandana
And was blowin' sad while Bobby sang the blues,
With them windshield wipers slappin' time and
Bobby clappin' hands
We finally sang up every song that driver knew…"
by RC135 October 08, 2008
 
3.
For seamen the call of "Harpoon!" is a call of distress when a particularly dangerous sea monster is approaching their vessel. In modern culture this is used by young males to communicate their concern for an inebriated friend being attracted to a morbidly obese or outrageously unattractive female or transvestite.
Travis: "Yo Aaron check out that chick Rick is dancing with."
Aaron: "Oh shit! Harpoon! Harpoon!"
by NINJAAAAA April 23, 2009
 
4.
1. Weapon used for killing whales.

2. Alcoholic beverage made of Gatorade and Captain Morgan's Parrot Bay. The ultimate Drink.
1. Lets harpoon that whale!

2. Wann come to gatorbay and get some harpoons?
by Victor A May 23, 2005
 
5.
a syringe to shoot drugs
this things so dull its like stabbin my arm(neck?)w/ a harpoon
by junkie grrrrl January 13, 2010
 
6.
Harpoon is slang for a hypodermic syringe.

Medically, the harpoon is described as the rod that is used to push the contents through the needle.
I've got a teener of H, pass that harpoon and we'll do a blast.

Engage the harpoon into the rubber plunger. Use moderate pressure on the thumb ring to push the piston forward until the harpoon is firmly engaged in the plunger. Make sure not to push too far.
by dimebags January 31, 2011
 
7.
What you man when there's a whale about.
Fred : "Thar she blows!"
Jeff : "MAN THE HARPOONS!"
Scabby first mate Flemmings: "Yarrr!"
by J!ps January 12, 2009