We don't have synonyms for pinkey yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are pinky, punkey and pikey.
(n) :
Alternative form of pinky (“kind of fishing schooner”). [(uncountable, historical, slang, Australia) Methylated spirits mixed with red wine or Condy's crystals.]
(n) :
Alternative form of pinky (“kind of fishing schooner”). [(uncountable, historical, slang, Australia) Methylated spirits mixed with red wine or Condy's crystals.]