1 definition by dimebags

Top Definition
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

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