What is Human Paraquat?
1.
Literally, a human
The Dude: You thought that Bunny had been kidnapped and you were fucking glad man. You could use it as an excuse to make some money disappear. All you needed was a sap to in it on, and you'd just met me. You...you...human paraquat!
See
2.
An individual who is extremely lame, moreso than a human version of a paraquat. See paraquat.
You are nothing but a human paraquat!