The Collaborative International Dictionary of English v.0.48:
bolshie \bolshie\, bolshy \bolshy\n. a communist or Bolshevik, n.. [slang.] [PJC]WordNet (r) 3.0 (2006):
bolshie n 1: emotionally charged terms used to refer to extreme radicals or revolutionaries [syn: Bolshevik, Marxist, red, bolshie, bolshy]