A nickname name people use so they can't be identified by their real name. Often used by drug dealers and various criminals both in and out of prison.

Also used as a nickname for various drugs to be more discreet
He tells people his street name so the police can't put put a warrant for his arrest under his real name
by Tuckerrrr June 28, 2017
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Street names are the nicknames given to drugs by dealers and illicit users. They can be nicknames for illegal or prescription drugs.
Police officer: what is the street name for herion?
Under Questioning: I know nothing.

Old-school junkie: Got any H? Any horse?
Me: huh?
Old-school: Her-oh-inn. Do you have any herion. Duh.
by jussagal September 14, 2008
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