V - The depressant
Valium - Vega A cigar wrapping refilled with marijuana
Venus - Nexus
Vidrio (Spanish) - Heroin
Viper - Marijuana smoker
Viper's weed - Marijuana
Vita-G - Gamma hydroxybutyrate (GHB)
Vitamin K - Ketamine
Vitamin R - Ritalin (methylphenidate)
Vodka acid - LSD