We don't have synonyms for scanger yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sanger, swanger and spanger.
(n) :
(Dublin, derogatory) A person who is associated with petty criminality and who is seen as strongly identified with brand names in music, clothing, sport, vehicles, and so forth.
(n) :
(Dublin, derogatory) A person who is associated with petty criminality and who is seen as strongly identified with brand names in music, clothing, sport, vehicles, and so forth.