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1.
Some crappy weed that smells and tastes like salmon. When you smoke it, your lungs turn into fish and continue to puke smoke out of your mouth.
When you smoke fish weed, it is considered going fishing.
Dude: Dude, I took a huge hit o dat fish weed and i fucken got fish lungs all day now! Fishing is fun!

Other Dude: Wo man
by MitchnCam December 07, 2005