1. Referring to the class of powerful stimulant drugs Pyrrolidinophenone's (MDPV, a-PVP, a-PHP, a-PiHP). They are a specific category of compounds that go under many names, NPS (Novel Psychoactive Substances), Designer Drugs, Research Chemicals, Bath Salts, flakka, PV's. The four specific pyrro's above are substituted cathinones.

2. Referring to a user of Pyrrolidinophenone's
1. Pyrro vaporization results in users compulsively readministering the drug (typical of stimulant narcotics). Specific to pyrro use however is the extended duration of continual use - users commonly binge 3 days without sleep. Users report up to 11 days without sleep. Between the drug and sleep deprivation it causes, many pyrro users wind up hospitalized in states of psychosis.

2. Did you see that guy? He's a wicked pyrro. Be careful or he will eat your face.
by Jack & Oliver Yerfaze September 1, 2023
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