Definition of "street name"

street name

noun
plural street names
1. The slang term for a drug, as traded on the streets.
  Quotations
  Ecstasy is the commercially inspired American street name of MDMA (3,4-methylenedioxymethylamphetamine), a unique psychostimulant drug with both stimulant and hallucinogenic effects.
  2001, Andrew Campbell, The Australian Illicit Drug Guide, Black Inc., page 100
  Police quickly determined that the street name for holy sand was “cocaine” and said that the man’s arrest has made them think twice about the holy tic tacs and holy parsley they’ve seen lately.
  2008 January 19, Peter Sagal (host), Wait, Wait...Don’t Tell Me!, National Public Radio
2. A person’s nickname, such as a gangster or mafia name.
  Quotations
  “May I start calling you Severo? Doesn't that sound slick? It could be your street name, your punk name.” She battered her eyelashes.
  2008, Anthony Swofford, Exit A‎, Simon and Schuster
  Boyd asked, “What is your street name?” Mark said, “I'm called Two Fingers Mark.”
  2013, Maya Angelou, Mom and Me and Mom‎, Little, Brown Book Group
3. Used other than figuratively or idiomatically: see street,‎ name.