A person, often a prostitute but not always, often underage, who blackmails or is used to blackmail her/his tricks or intimate partners for extortion, political or social gain usually on behalf of a third party.
You paid her $26,000 not to tell your wife and ruin your marriage? That bitch is a straight "Black Sally"
by Bluestem32 June 7, 2017
Get the black sallymug. by Urboytravis November 3, 2017
Get the Fucking Sally Blackmug.